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".

[EX Q]: The salesman had various products to sell and sold a lot of desks but not chairs because the _ were high quality. (A) desks (B) chairs
[EX A]: A

[EX Q]: 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
[EX A]: B

[EX Q]: It is good to get into the habit of using the recycling bin instead of the trash can because using the _ is bad for the environment. (A) recycling bin (B) trash can
[EX A]:
B