TASK DEFINITION: In this task, you are given a question containing a blank (_) and two options. You should pick the best option to answer the question. Please answer with "A" or "B".
PROBLEM: The medical exam for the broken arm was longer than the exam on the heart because the _ was a serious problem. (A) heart (B) arm

SOLUTION: B

PROBLEM: The pharmacist said to store the medicine in a dark place because the _ would protect it from being exposed to light. (A) medicine (B) dark place

SOLUTION: B

PROBLEM: Christine thought rabbits were very cute but Betty didn't. _ bought a rabbit at the pet store. (A) Christine (B) Betty

SOLUTION:
A