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".

john poured the entire bag of gold into the treasure chest until the _ was empty. (A) chest (B) bag
B

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
B

The owl flew into the night to hunt for food to bring back to her nest. She was glad the _ was high. (A) food (B) nest

B