Problem: How does the sentence end?

He tried to fit the newspapers onto the racks, but it didn't work because the 
OPTIONS:
- newspapers were too weak.
- racks were too weak.
Answer: racks were too weak.

Problem: How does the sentence end?

Christopher really liked Beats headphones but Aaron liked Sony, so 
OPTIONS:
- Christopher was glad to see some V7000's under the Christmas tree.
- Aaron was glad to see some V7000's under the Christmas tree.
Answer: Aaron was glad to see some V7000's under the Christmas tree.

Problem: How does the sentence end?

The life coach asked Katrina to set a goal but not Amy because 
OPTIONS:
- Katrina was way behind schedule.
- Amy was way behind schedule.
Answer: Katrina was way behind schedule.

Problem: How does the sentence end?

Jane could not put the battery in the calculator because the 
OPTIONS:
- battery was too small.
- calculator was too small.
Answer:
calculator was too small.