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".

Mary laughed at Rebecca when she accidentally slipped and did the splits, so the man looked at _ with pitty. (A) Mary (B) Rebecca
B

Luke preferred to have the firearm and not a knife for protection because the _ was safer. (A) firearm (B) knife
A

The new trumpet would not fit in the old case because the _ is too short. (A) trumpet (B) case

B