Problem: How does the sentence end?

When Joseph applied for an apprenticeship at Ryan's shop, 
OPTIONS:
- Joseph knew he had to prepare for a welding test.
- Ryan knew he had to prepare for a welding test.
Answer: Joseph knew he had to prepare for a welding test.

Problem: How does the sentence end?

Laura disabled Katrina 's car so that 
OPTIONS:
- Laura could prevent her from driving it home drunk.
- Katrina could prevent her from driving it home drunk.
Answer: Laura could prevent her from driving it home drunk.

Problem: How does the sentence end?

She decided to learn to play the harp and the trumpet, as the 
OPTIONS:
- harp was so beautiful.
- trumpet was so beautiful.
Answer: harp was so beautiful.

Problem: How does the sentence end?

Felicia gave two boxes of her gently used maternity clothe to Sarah as 
OPTIONS:
- Felicia has three children and would not need them.
- Sarah has three children and would not need them.
Answer:
Felicia has three children and would not need them.