Problem: Matthew is better at installing siding on houses than Randy because

My choice: Randy doesn't work in the construction industry.

Problem: The giant hamburger was placed into the microwave on the counter because the

My choice: hamburger was cold.

Problem: Amy found it easier to be polite than Emily, because

My choice: Amy had read several books on proper etiquette.

Problem: Christopher but not William would make a good babysitter because

My choice:
William did not know how to handle small children.