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".

It was hard work balancing the coffee pot on the campfire but the _ was essential for starting the day. (A) coffee pot (B) campfire
A

Charlie decided to quit smoking so he threw away his carton but not his lighter because the _ was a gift. (A) carton (B) lighter
B

I was hungry and I put the pork chop on the pan because the _ was warm. (A) pork chop (B) pan

B