You will be given a definition of a task first, then some input of the task.
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: Jana and her mom were biking through the park.  Her mom was being more leisurely. Question: Who took longer to make a lap around the park? (A) Jana (B) her mom
Output:
her mom