Problem: How does the sentence end?

The man tried to store his alcohol inside of the box but the 
OPTIONS:
- box was too large.
- alcohol was too large.
Answer: alcohol was too large.

Problem: How does the sentence end?

Christine is teaching Rebecca how to ride a horse, because 
OPTIONS:
- Christine is a great teacher.
- Rebecca is a great teacher.
Answer: Christine is a great teacher.

Problem: How does the sentence end?

Mary was perfectly happy about giving a speech but Kayla was not because 
OPTIONS:
- Mary was very shy.
- Kayla was very shy.
Answer: Kayla was very shy.

Problem: How does the sentence end?

When it comes to jewelry knowledge, Tanya knows more than Rachel because 
OPTIONS:
- Tanya 's father was a plumber.
- Rachel 's father was a plumber.
Answer:
Rachel 's father was a plumber.