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 dieter switched his lunch snack from an apple to a pineapple, as the _ lacked an important vitamin needed in his diet. (A) apple (B) pineapple
A

John cleaned his new car with a damp towel and this got the _ very dirty. (A) towel (B) car
A

The fire spread quickly before people rushed over with water, but the _ was too strong. (A) fire (B) water

A