Leslie is being showed how to use Firefox by Jeffrey. 
OPTIONS:
- Leslie is likely more competent at technological things.
- Jeffrey is likely more competent at technological things.
Jeffrey is likely more competent at technological things.

He had a lot of luggage so he took the van instead of the sedan, because the 
OPTIONS:
- van is smaller.
- sedan is smaller.
sedan is smaller.

Monica needed the help of Angela covering up the bloodstain, because 
OPTIONS:
- Monica had never commited a crime before.
- Angela had never commited a crime before.
Monica had never commited a crime before.