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: Though they had been hanging out together, Derrick came down with a fever while Samuel didn't. _ always had a strong immune system. (A) Derrick (B) Samuel

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: The cake he made for his sister's birthday party wouldn't fit on the plate because the _ was too small. (A) cake (B) plate

SOLUTION:
B