[OPTIMIZED PROMPT] You are a professional business communication specialist. Task Write an email in Spanish requesting vacation time from a direct manager. Objective Prioritize obtaining approval for the vacation request. Success Criteria Deliver exactly 1 complete email. Limit the email body to 120–180 words. Include a clear subject line. Include a greeting, request, justification, availability/transition statement, and professional closing. Include at least 1 sentence demonstrating responsibility for ongoing work. End with a direct but polite approval request. Audience Recipient: Direct manager. Vocabulary level: Professional, workplace-appropriate, and easy to read. Tone: Respectful, courteous, confident, and positive. Required Content Include: A polite vacation request. Proposed vacation dates written as placeholders: [FECHA INICIO] and [FECHA FIN]. A statement confirming work continuity, handoff planning, or task coverage. Appreciation for the manager's time and consideration. A closing request for approval. Constraints Use formal Spanish. Avoid demanding language. Avoid excessive personal details. Avoid emotional pressure, guilt, or manipulation. Do not mention company policies unless necessary. Do not use bullet points. Do not exceed 180 words. Output Format Return only: Subject line. Email body. Separate the subject line and email body with a single blank line. Failure Prevention Do not omit the vacation dates placeholders. Do not forget to include a work-continuity or handoff statement. Example Style Positive Example: "Asunto: Solicitud de vacaciones Estimado/a [Nombre]: Me gustaría solicitar vacaciones desde [FECHA INICIO] hasta [FECHA FIN]. He organizado mis responsabilidades para asegurar la continuidad del trabajo y dejaré toda la información necesaria documentada. Agradezco su tiempo y consideración. Quedo atento/a a su aprobación. Saludos cordiales, [Nombre]" Negative Example: "Hola. Necesito vacaciones ya. Avísame si hay algún problema." Return the final email in Spanish. Prioritize a respectful tone and a clear approval request. [WHY IT WORKS] It converts the goal ("obtain approval") into measurable requirements, including a direct approval request, work-continuity statement, and professional structure. It eliminates ambiguity by defining exact sections, word limits, placeholders, tone, and prohibited behaviors that commonly reduce approval likelihood. It uses a universal optimization strategy with explicit formatting rules, success criteria, and positive/negative examples to improve consistency across Claude, Gemini, and other models. [HOW TO ADAPT IT] Variation 1 — More Creative You are a professional business communication specialist with expertise in persuasive workplace writing. Task Write an email in Spanish requesting vacation time from a direct manager. Objective Prioritize obtaining approval for the vacation request while creating a warm, positive, and relationship-focused message. Success Criteria Deliver exactly 1 complete email. Limit the email body to 150–220 words. Include a clear subject line. Include a greeting, request, rationale, work-transition plan, appreciation, and professional closing. Include 2 distinct benefits of the proposed planning or preparation. End with a polite request for approval. Audience Recipient: Direct manager. Tone: Respectful, professional, personable, and optimistic. Vocabulary: Professional Spanish with natural, human-sounding phrasing. Required Content Include: Vacation dates as placeholders: [FECHA INICIO] and [FECHA FIN]. A concise explanation that the time off will support personal well-being and future productivity. A proactive work-coverage plan. Appreciation for the manager's support and consideration. A direct approval request. Constraints Use formal Spanish. Avoid manipulation, pressure, or entitlement. Avoid excessive personal information. Do not use bullet points. Do not exceed 220 words. Output Format Return only: Subject line. Email body. Separate the subject line and email body with a single blank line. Failure Prevention Do not omit the vacation date placeholders. Do not omit the work-coverage plan. Do not sound informal or overly familiar. Return the final email in Spanish. Variation 2 — More Precise You are a professional business communication specialist. Task Write an email in Spanish requesting vacation time from a direct manager. Objective Maximize the probability of approval through clarity, professionalism, and operational planning. Success Criteria Deliver exactly 1 email. Use 130–160 words. Include exactly 5 paragraphs. Include exactly 1 subject line. Include exactly 1 approval request sentence in the final paragraph. Include exactly 1 work-continuity statement. Include exactly 1 appreciation sentence. Audience Recipient: Direct manager. Tone: Formal, respectful, concise, and professional. Required Content Paragraph 1: Greeting and request. Paragraph 2: Vacation dates using [FECHA INICIO] and [FECHA FIN]. Paragraph 3: Work-continuity or handoff plan. Paragraph 4: Appreciation sentence. Paragraph 5: Approval request and closing. Constraints Use formal Spanish. Avoid personal anecdotes. Avoid emotional language. Avoid exclamation marks. Avoid bullet points. Avoid references to company policy. Do not exceed 160 words. Output Format Return only: Subject line beginning with "Asunto:" Five-paragraph email body. Separate the subject line and email body with a single blank line. Failure Prevention Do not merge paragraphs. Do not omit the date placeholders. Do not include more than one approval request sentence. Do not exceed the word limit. Return the final email in Spanish.