Problem: Continue the following story.

The old harmonica sold for more at the auction when compared to the violin. The 
Here's how I want to continue it: harmonica had a famous owner.

Problem: Continue the following story.

Kenneth played better in the tennis game than Samuel because 
Here's how I want to continue it: Samuel was out of shape and not very athletic.

Problem: Continue the following story.

At the amusement park, Katie chose to get a balloon animal instead of a stuffed animal. The 
Here's how I want to continue it:
stuffed animal was more childish in her opinion.