instruction:
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.
question:
Sentence: A pebble sinks smoothly into a pond, but not into an ocean. Question: Which surface will the pebble plunge deeper into? (A) pond (B) ocean
answer:
pond


question:
Sentence: Matt knows that cakes are smoother than pies. Question: Which dish can he push his spatula deeper into? (A) cake (B) pie
answer:
cake


question:
Sentence: Kerry and Felicia are rollerskating at the beach.  Kerry stops to get an ice cream cone. Question: An hour later, who has gone further? (A) Kerry (B) Felicia
answer:

Felicia