Problem: Christine was giving a speech on deforestation and needed help from Jennifer because

My choice: Jennifer was working in the field.

Problem: Chess is bad for the body but great for the brain, as thinking is useless for the

My choice: body to develop.

Problem: The pan placed over the flame do not get hot fast enough because the

My choice: flame is low.

Problem: Tanya had a bad case of diarrhea but Katrina did not.

My choice:
Tanya soiled the pants they were wearing.