[Q]: How does the sentence end?

I had much less fun at the celebration than at the festival, because the 
OPTIONS:
- celebration was amazing.
- festival was amazing.

[A]: festival was amazing.


[Q]: How does the sentence end?

It was easy to see that Erin but not Sarah was a good waitress because 
OPTIONS:
- Erin received a few tips just once a week.
- Sarah received a few tips just once a week.

[A]: Sarah received a few tips just once a week.


[Q]: How does the sentence end?

Lawrence developed carpal tunnel syndrome at a faster rate than Ian did because 
OPTIONS:
- Lawrence didn't use the computer a lot.
- Ian didn't use the computer a lot.

[A]:
Ian didn't use the computer a lot.