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).

Sentence: Engineers have developed some new filaments for use as parts of different structures. Through their research, they notice that a red filament is much thinner than a blue filament. Question: Which of these filaments would be less likely to withstand strain? (A) red filament (B) blue filament
blue filament

Sentence: Linda and Thomas decide to walk to the park.  Linda looks around and walks at a more leisurely pace while Thomas walks briskly. Question: Who takes longer to reach the park? (A) Linda (B) Thomas
Thomas

Sentence: Little Bobby is in the woods breaking tree branches for fire wood. Question: Which branch can he break easier? (A) Thin branch (B) Thick branch

Thick branch