Problem: How does the sentence end?

The coin collection sold for more than the card collection as auction, because the 
OPTIONS:
- coin collection was rare.
- card collection was rare.
Answer: coin collection was rare.
sentence: Chemistry class was hard for Jessica but not Sarah because  OPTIONS:
- Jessica loved studying sciences in school.
- Sarah loved studying sciences in school.
complete: Sarah loved studying sciences in school.
I poured pure beach sand into the Hermit Crab's animal cage until the 
OPTIONS:
- animal was full.
- cage was full.
cage was full.
Input: Continue writing.

Christopher read the script aloud too fast, while Ryan read it slowly, which made 
OPTIONS:
- Christopher easy to understand.
- Ryan easy to understand.

Continued: Ryan easy to understand.
Story needs to be completed:
Betty wasn't a successful businessman unlike Sarah because 
OPTIONS:
- Betty loved trying to up sell customers.
- Sarah loved trying to up sell customers.

My choice:
Sarah loved trying to up sell customers.
Problem: How does the sentence end?

The boss gave Laura the job instead of Samantha because 
OPTIONS:
- Laura impressed the boss with good manners.
- Samantha impressed the boss with good manners.
Answer:
Laura impressed the boss with good manners.