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: Jupiter is the largest planet. The sun however is still much bigger. Question: Which planet has more gravity? (A) Jupiter (B) Sun

A: Jupiter
****
Q: Sentence: Mike's bike weighs more then his skates. Question: Which object will accelerate slower? (A) bike (B) skates

A: skates
****
Q: Sentence: Mike's glass sheet is very brittle, while his phone book is pretty flexible. Question: Which item is more likely to break in two when he flexes it? (A) phone book (B) glass sheet

A:
phone book
****