CCARF Practice Question

Paper 1 · Question 48

D4 Prompt Engineering & Structured Output · Paper 1

An invoice-extraction pipeline mislabels fields on documents where the correct interpretation is ambiguous. Which few-shot practices should you apply?

• A.Add an example for every document variant seen in production so far.
• B.Use examples showing correct extraction from varied document structures to fix empty or null extraction of required fields.
• C.Replace the examples with a longer natural-language description of each field.
• D.Create two to four targeted examples for the ambiguous cases, showing why one interpretation is chosen.

Show answer & explanations

Correct answer: D

A: Volume is not the fix; a handful of targeted examples for the ambiguity beats exhaustive coverage and its context cost.

B: Varied-structure examples fix empty or null extraction of fields that are present, which is the few-shot remedy for unreliable extraction; fabrication of absent data is handled by nullable schema fields instead.

C: Descriptions alone are what produced the inconsistency; examples communicate the expected mapping more reliably than more prose.

D: Targeted examples that demonstrate the reasoning are the guide's specific remedy for ambiguous cases.

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