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: A falcon and a bear both cross a giant field at full speed. Question: Which animal crosses the field first? (A) Falcon (B) Bear
Falcon

Sentence: After he finished washing dishes, Bill threw a wet sponge at his brother across the room at his brother Ben, hitting him in the face. Ben picked up the sponge and threw it back at Bill, but it didn't reach Bill. It dropped to the floor a foot in front of Bill. Question: Which brother has less muscle strength in their arm? (A) Bill (B) Ben
Ben

Sentence: When playing pinball on two different machines, joe noticed that the pinball moved quickly over the glass surface whereas it barely moved at all over the mud surface. Question: Which surface showed less resistance? (A) Glass (B) Mud

Glass