Problem: Wanting to play a prank, Aaron added heavy spice to Samuel's food, because

My choice: Samuel was unsuspecting.

Problem: Replacing a toilet at a house suited Mary but not Megan because

My choice: Mary knew how to fix things.

Problem: Emily loved reading and writing in school but not Christine because

My choice: Emily had great ability.

Problem: Leslie was healthy while Lawrence had various heart problems, so

My choice:
Leslie rarely needed to visit the hospital.