Problem: Natalie was always very eager to leave work at the end of the day, unlike Emily, because

My choice: Emily loved the job.

Problem: Treating muscle cramps worked for Jason but not for Derrick because

My choice: Derrick had no medical knowledge.

Problem: Katrina taught Lindsey how to pick up girls because

My choice: Lindsey was quite unskilled at it.

Problem: Because Lindsey wanted to make a mess and Victoria did not,

My choice:
Victoria cracked her eggs and opened them over the bowl.