Problem: Matthew knew how to cure a bleeding nose but Lawrence did not because 
OPTIONS:
- Matthew had a limited  knowledge of first aid.
- Lawrence had a limited  knowledge of first aid.

My choice: Lawrence had a limited  knowledge of first aid.
[Q]: How does the sentence end?

Jeffrey was angry with Nick because 
OPTIONS:
- Jeffrey lent him a school book that he destroyed.
- Nick lent him a school book that he destroyed.

[A]: Jeffrey lent him a school book that he destroyed.
QUES: Continue writing.

Tina was using a file to trim her toenails and got a bad cut on the skin of her finger because the 

OPTIONS:
- file was too hard.
- skin was too hard.
+++++++++
ANS: file was too hard.
Problem: How does the sentence end?

Elena went to Mexico on vacation and brought back a poncho for Sarah. 
OPTIONS:
- Elena was thankful.
- Sarah was thankful.
Answer: Sarah was thankful.
sentence: Tim replied to an email from Cynthia and not Mary since  OPTIONS:
- Cynthia wrote her email to Tim full of curses.
- Mary wrote her email to Tim full of curses.
complete: Mary wrote her email to Tim full of curses.
Input: Continue writing.

The actor came over and shook Nelson's hand and not Kenneth's because 
OPTIONS:
- Nelson was opposite the actor.
- Kenneth was opposite the actor.

Continued:
Kenneth was opposite the actor.