Story needs to be completed:
Christine decided to grow carnivorous plants, while Rachel grew omnivorous plants. 
OPTIONS:
- Christine had a lot of bite marks.
- Rachel had a lot of bite marks.

My choice:
Christine had a lot of bite marks.
Problem: Continue the following story.

Jason decided he needed to save more money and make a budget because having more of the 
OPTIONS:
- money would give him more freedom.
- budget would give him more freedom.
Here's how I want to continue it: money would give him more freedom.
Problem: It was easy for Robert but not Derrick to sleep on the bench because 
OPTIONS:
- Robert did not take up much space.
- Derrick did not take up much space.

My choice: Robert did not take up much space.
[Q]: How does the sentence end?

The math test was easy for Kevin but not Nick because 
OPTIONS:
- Kevin knew how to convert decimals into fractions.
- Nick knew how to convert decimals into fractions.

[A]: Kevin knew how to convert decimals into fractions.
QUES: Continue writing.

The knees of Neil are aching, but Ian's are fine. This is because 

OPTIONS:
- Neil is a young man.
- Ian is a young man.
+++++++++
ANS: Ian is a young man.
QUES: Continue writing.

Jerry paid more for his car than he did for his truck because the 

OPTIONS:
- truck was an older model.
- car was an older model.
+++++++++
ANS:
truck was an older model.