Problem: Mary was home schooled, unlike Betty, so

My choice: Mary was unfamiliar with the layout of the school building.

Problem: Everybody thought Felicia would look upon Samantha with suspicion because

My choice: Samantha was a convicted felon.

Problem: Kyle was following a meal plan while Kevin was not, so

My choice: Kevin gained some weight.

Problem: The toddler of Katrina eats a lot more than Monica's, though they are the same age.

My choice:
Monica 's toddler is lighter.