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]: My mother made tacos today and burritos yesterday for lunch so the _ were older. (A) tacos (B) burritos
[EX A]: B

[EX Q]: Aaron was always skipping leg day at the gym but Derrick never missed it. _ had very skinny legs. (A) Aaron (B) Derrick
[EX A]: A

[EX Q]: Kevin drew the blood from Ian's arm, because _ was giving it to do some tests. (A) Kevin (B) Ian
[EX A]:
B