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Work out when each new hire's benefits start

Practice: Catching mistakes and made-up facts. About 5 minutes.

About this exercise

You're telling payroll when each new hire's benefits start. Write exactly 4 numbered lines in the form 'Name - start date - benefits start', plain text, under 60 words, applying the eligibility rule exactly. Use the corrected start date, and treat part-time hires according to the rule.

Common mistakes when you ask AI for this

  • Asking 'when do benefits start'. The AI explains the rule at length instead of applying it to each person. Try: Be exact: "Exactly 4 numbered lines 'Name - start date - benefits start'. Plain text."
  • Trusting the AI to count words. AI is bad at counting. Ask for a total word limit and it often lands over it. Try: Cap each line instead: "each line under 12 words."
  • Missing the same-day rule. AI applies 'first of next month' to everyone, including a Mar 1 start. Try: Add: "If they start on the 1st, benefits start that day."
  • Using the old start date. Daniela's original date appears first. Try: Add: "Daniela starts Apr 1 (corrected). Part-time isn't eligible."

What a strong prompt includes

  • States the rule
  • Handles part-time
  • Uses the correction
  • Shows the line shape
  • Sets a word limit

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