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: Jeffrey took the time to caulk their windows but Robert didn't bother. _ saw their electric bill decrease. (A) Jeffrey (B) Robert

SOLUTION: A

PROBLEM: Neil's wife is thinking of cheating on him, while Ian's is not because _ is a dutiful husband. (A) Neil (B) Ian

SOLUTION: B

PROBLEM: Charlie decided to quit smoking so he threw away his carton but not his lighter because the _ wasn't a gift. (A) carton (B) lighter

SOLUTION:
A