Problem: Continue the following story.

Kim used a sans-serif font in the letter to her boyfriend, but a serif font in an email to her boss, because she felt the 
OPTIONS:
- sans-serif font was harder to read..
- serif font was harder to read..
Here's how I want to continue it: sans-serif font was harder to read..

Problem: Continue the following story.

Judging a good wine was easy for Ian but not Jeffrey because 
OPTIONS:
- Ian had a thorough knowledge of wines.
- Jeffrey had a thorough knowledge of wines.
Here's how I want to continue it: Ian had a thorough knowledge of wines.

Problem: Continue the following story.

Michael was Jason's waiter so 
OPTIONS:
- Michael answered questions about what was being served in the restaurant.
- Jason answered questions about what was being served in the restaurant.
Here's how I want to continue it:
Michael answered questions about what was being served in the restaurant.