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

Sentence: Justine raises pigeons. She releases two of them from a cage at the same time, to have them race. The white pigeon is faster than the grey pigeon. Question: Which pigeon goes a greater distance? (A) white pigeon (B) grey pigeon
white pigeon

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
Linda

Sentence: Tony and Alex are riding motorcycles across the country.  Tony rides until early afternoon, but Alex rides until nightfall. Question: Who rode farther? (A) Tony (B) Alex

Alex