Problem: How does the sentence end?

Ryan was excited to try the nuts but not Matthew because 
OPTIONS:
- Ryan was disdainful of nuts.
- Matthew was disdainful of nuts.
Answer: Matthew was disdainful of nuts.

Problem: How does the sentence end?

Aaron assured Ryan that his project is good enough for the fair, but 
OPTIONS:
- Aaron wasn't satisfied.
- Ryan wasn't satisfied.
Answer: Ryan wasn't satisfied.

Problem: How does the sentence end?

Ben had to communicate abroad using the webcam and the phone. He preferred the 
OPTIONS:
- webcam because it was visual.
- phone because it was visual.
Answer: webcam because it was visual.

Problem: How does the sentence end?

The decorator removed the lamp, but left the fan in the room, because the 
OPTIONS:
- lamp was a permanent fixture.
- fan was a permanent fixture.
Answer:
fan was a permanent fixture.