Problem: How does the sentence end?

Samuel dumped Derrick because  was no longer in love with them, and afterwards, 
OPTIONS:
- Samuel felt relieved.
- Derrick felt relieved.
Answer: Samuel felt relieved.

Problem: How does the sentence end?

Ian brought books for the kids while Eric brought toys because 
OPTIONS:
- Ian wanted to make babysitting educational.
- Eric wanted to make babysitting educational.
Answer: Ian wanted to make babysitting educational.

Problem: How does the sentence end?

Carrie was watching a TV show while Katrina was reading, and 
OPTIONS:
- Carrie continued to look at the screen.
- Katrina continued to look at the screen.
Answer: Carrie continued to look at the screen.

Problem: How does the sentence end?

At the bar, Matthew likes to drink moonshine, while Aaron does not. 
OPTIONS:
- Matthew likes stronger drinks.
- Aaron likes stronger drinks.
Answer:
Matthew likes stronger drinks.