Problem: James cut down the tree with just two strokes of the ax. The 
OPTIONS:
- tree is a thin one.
- ax is a thin one.

My choice: tree is a thin one.
[Q]: How does the sentence end?

Lawrence's surgery scars were prominent when he and Ryan removed their shirts at the pool and 
OPTIONS:
- Lawrence felt self-conscious.
- Ryan felt self-conscious.

[A]: Lawrence felt self-conscious.
QUES: Continue writing.

When it comes to footwear, Marcus loves his birkenstocks and his flip-flops, but the 

OPTIONS:
- birkenstocks are considerably heavier.
- flip-flops are considerably heavier.
+++++++++
ANS: birkenstocks are considerably heavier.
Problem: How does the sentence end?

Neil was filled with anxiety when Eric showed up, because 
OPTIONS:
- Neil spent years abusing them.
- Eric spent years abusing them.
Answer: Eric spent years abusing them.
sentence: Craig always gets angry while Matthew is always calm, so  OPTIONS:
- Craig didn't care when they got a bad grade.
- Matthew didn't care when they got a bad grade.
complete: Matthew didn't care when they got a bad grade.
Input: Continue writing.

Although Kenneth was a much better writer than Joel even 
OPTIONS:
- Kenneth couldn't argue the other is a much better editor.
- Joel couldn't argue the other is a much better editor.

Continued:
Kenneth couldn't argue the other is a much better editor.