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


question:
She chose to use a comb on her hair rather than a brush because the _ made her hair frizzy. (A) brush (B) comb
answer:
A


question:
Natalie became much weaker than Betty after _ spent a year in the gym doing strength training. (A) Natalie (B) Betty
answer:

B