You are given a sentence, a question and two answer options. Your task is to write down the index ('A' or 'B') of the **incorrect** option for the given question.

Sentence: Lucy could see smoke in the distance. She heard a fire engine's siren and it sounded loud. Then she heard the sirens from a police car, but the sound was much harder to hear. Question: Which was closer to Lucy? (A) the fire engine (B) the police car
B

Sentence: Samuel dropped a small light pebble and a large heavy rock off a cliff at the same time. Question: Which one hit the ground at the bottom of the cliff first? (A) the pebble (B) the large rock
A

Sentence: Gavin is wanting to cross a creek to get home. There are two bridges close to each other and he sees that one has very solid boards making it up, while the other has some boards that are worn down to slivers. Question: Which boards are more likely to break if Gavin walks across them? (A) solid boards (B) worn boards

A