Problem: Reading complicated science books was a preference of Matthew but not Nelson because 
OPTIONS:
- Matthew had a bad vocabulary.
- Nelson had a bad vocabulary.

My choice: Nelson had a bad vocabulary.
[Q]: How does the sentence end?

Mike wanted to balance the bottle on the shelf but the 
OPTIONS:
- shelf was too narrow.
- bottle was too narrow.

[A]: shelf was too narrow.
QUES: Continue writing.

Kyle doesn't wear leg warmers to bed, while Logan almost always does. 

OPTIONS:
- Kyle is more likely to live in a warmer climate.
- Logan is more likely to live in a warmer climate.
+++++++++
ANS: Kyle is more likely to live in a warmer climate.
Problem: How does the sentence end?

The lawyer sealed the contract in an envelope before handing it to his client. The 
OPTIONS:
- contract was no longer visible.
- envelope was no longer visible.
Answer: contract was no longer visible.
sentence: I used an ax to chop down a tree, but had to get a bigger ax because the  OPTIONS:
- ax was too thick.
- tree was too thick.
complete: tree was too thick.
Input: Continue writing.

Jennifer tended to overthink every decision but Laura was more spur of the moment. 
OPTIONS:
- Jennifer missed out on a lot of things.
- Laura missed out on a lot of things.

Continued:
Jennifer missed out on a lot of things.