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".

The pet sitting business Eric starts is a failure compared to Kenneth's because _ is a responsible owner. (A) Eric (B) Kenneth
B

Nick asked Christopher how to focus a camera, since _ had never been able to get the hang of that. (A) Nick (B) Christopher
A

The disease was reported to be caused by a poor diet. The _ was very poor. (A) Disease (B) Diet

B