Problem: Talking to strangers and making friends came easily to Robert but not Michael because

My choice: Michael was a prude.

Problem: Samuel likes to rollerblade a lot, but Brett is more of a skateboarder, so

My choice: Brett dislikes the skating rink.

Problem: Mary was able to lay down a better floor than Cynthia although

My choice: Cynthia had worked as a carpenter.

Problem: Ian knew more about the rules of professional hockey than Nick because

My choice:
Ian liked watching winter sports.