Problem: How does the sentence end?

The manual is always better than a catalog because the 
OPTIONS:
- manual is specific to what you need.
- catalog is specific to what you need.
Answer: manual is specific to what you need.
sentence: He spent tons of money at the store, but not even a dollar at the fair, because the  OPTIONS:
- store had terrible deals.
- fair had terrible deals.
complete: fair had terrible deals.
Elena tried hard to sculpt what Laura had asked for, and 
OPTIONS:
- Elena saw her struggling with the clay.
- Laura saw her struggling with the clay.
Laura saw her struggling with the clay.
Input: Continue writing.

Amy had to take a defensive driving course and Jennifer had already taken one, so 
OPTIONS:
- Amy answered all kinds of questions about it.
- Jennifer answered all kinds of questions about it.

Continued: Jennifer answered all kinds of questions about it.
Story needs to be completed:
Ben posted a selfie and a food shot on snapchat. People liked the 
OPTIONS:
- selfie better, because Ben was handsome.
- food better, because Ben was handsome.

My choice:
selfie better, because Ben was handsome.
Problem: How does the sentence end?

Bob burned the skin on his arm when he spilled a chemical on it because the 
OPTIONS:
- chemical was too strong.
- skin was too strong.
Answer:
chemical was too strong.