Problem: How does the sentence end?

Steven needed to use the toilet while Benjamin waited in line at the bank so 
OPTIONS:
- Steven walked to the restroom.
- Benjamin walked to the restroom.
Answer: Steven walked to the restroom.

Problem: How does the sentence end?

Ted prefers writing on paper over writing on computer, because the 
OPTIONS:
- paper writing is classical.
- computer writing is classical.
Answer: paper writing is classical.

Problem: How does the sentence end?

Downloading programs came easy to Rebecca but was difficult for Christine because 
OPTIONS:
- Rebecca was technologically uninformed.
- Christine was technologically uninformed.
Answer: Christine was technologically uninformed.

Problem: How does the sentence end?

Katrina wanted to test out sleeping on Felicia's mattress because 
OPTIONS:
- Katrina had a comfortable bed.
- Felicia had a comfortable bed.
Answer:
Felicia had a comfortable bed.