Problem: How does the sentence end?

The plant is stopping the sun from reaching the top of the roof because the 
OPTIONS:
- plant is taller.
- roof is taller.
Answer: plant is taller.

Problem: How does the sentence end?

Lindsey wanted to ask Sarah out on a date, but 
OPTIONS:
- Lindsey was too popular to make an approach toward them.
- Sarah was too popular to make an approach toward them.
Answer: Sarah was too popular to make an approach toward them.

Problem: How does the sentence end?

Justin wrote a plan for Kevin because 
OPTIONS:
- Justin knew the best order to do things in.
- Kevin knew the best order to do things in.
Answer: Justin knew the best order to do things in.

Problem: How does the sentence end?

On Sunday, Leroy began to pour orange juice from the barrel into the flask, but the 
OPTIONS:
- flask was too tiny to fit.
- barrel was too tiny to fit.
Answer:
flask was too tiny to fit.