You are given a sentence, a question and two answer options ('A' and 'B'). Your task is to find the **incorrect** answer (return the string of the incorrect option, not A/B).

Q: Sentence: Belle has two horses; a grey one and a white one. The grey one is fat, the white one is thin. Question: When racing, which horse will get up to speed more quickly? (A) white horse (B) grey horse

A: grey horse
****
Q: Sentence: A concrete slab isn't as flexible as a rubber sheet. Question: Which object is more likely to break if bent? (A) concrete slab (B) rubber sheet

A: rubber sheet
****
Q: Sentence: A bird is much faster then a beetle. Question: If both animals make the same journey, which will arrive sooner? (A) beetle (B) bird

A:
beetle
****