Problem: How does the sentence end?

Joseph asked Justin for a simple solution to their math problem because 
OPTIONS:
- Joseph was a math tutor.
- Justin was a math tutor.
Answer: Justin was a math tutor.

Problem: How does the sentence end?

Aaron ate the lasagna from the cafeteria, but Christopher didn't, because 
OPTIONS:
- Aaron loves all types of Italian food.
- Christopher loves all types of Italian food.
Answer: Aaron loves all types of Italian food.

Problem: How does the sentence end?

We decided to go to the diner rather than the restaurant on our date because the 
OPTIONS:
- diner was closer.
- restaurant was closer.
Answer: diner was closer.

Problem: How does the sentence end?

Robert had a bad effect on Adam, because 
OPTIONS:
- Robert was always being convinced to commit crimes.
- Adam was always being convinced to commit crimes.
Answer:
Adam was always being convinced to commit crimes.