[Q]: How does the sentence end?

The sound from the train was louder than the sound from the car because the 
OPTIONS:
- train had a smaller engine.
- car had a smaller engine.

[A]: car had a smaller engine.
QUES: Continue writing.

Megan had a higher college degree than Maria, so 

OPTIONS:
- Megan was offered fewer promotions at work.
- Maria was offered fewer promotions at work.
+++++++++
ANS: Maria was offered fewer promotions at work.
Problem: How does the sentence end?

The grass was more welcoming for the cats than the straw , even though the 
OPTIONS:
- grass was dry .
- straw was dry .
Answer: straw was dry .
sentence: The camp was hotter in the field than in the woods, since it was shaded from the sun in the  OPTIONS:
- field .
- woods .
complete: woods .
At the doctor's office, Ian asked Nelson to open their mouth and say "ahh"; 
OPTIONS:
- Ian determined it was laryngitis.
- Nelson determined it was laryngitis.
Ian determined it was laryngitis.
Problem: Continue the following story.

Samuel was always nervous around Randy and thought him to be dangerous, because 
OPTIONS:
- Samuel saw him kill a man.
- Randy saw him kill a man.
Here's how I want to continue it:
Samuel saw him kill a man.