Problem: How does the sentence end?

As a treat, the rich husband presented his wife a new car instead of a purse since the 
OPTIONS:
- car was more useless.
- purse was more useless.
Answer: purse was more useless.

Problem: How does the sentence end?

The piercing of Joseph got infected, but Leslie's did not. 
OPTIONS:
- Joseph went to a shady piercing shop.
- Leslie went to a shady piercing shop.
Answer: Joseph went to a shady piercing shop.

Problem: How does the sentence end?

Red nail polish makes Tanya's nails looks nicer than Samantha's since 
OPTIONS:
- Tanya hates to paint her nails.
- Samantha hates to paint her nails.
Answer: Samantha hates to paint her nails.

Problem: How does the sentence end?

Logan thought the aquarium needed a new fish but Robert though it needed something different so 
OPTIONS:
- Logan bought a goldfish for it.
- Robert bought a goldfish for it.
Answer:
Logan bought a goldfish for it.