Problem: How does the sentence end?

The skin that was made using a special ingredient lasted longer than the  replacement, since the 
OPTIONS:
- skin is fake.
- replacement is fake.
Answer: replacement is fake.

Problem: How does the sentence end?

They spent their money on the whistle, instead of the stop watch. The track coach already has a 
OPTIONS:
- whistle .
- stop watch .
Answer: stop watch .

Problem: How does the sentence end?

William was facing eviction from his landlord, Christopher, because 
OPTIONS:
- William was very strict with his payments.
- Christopher was very strict with his payments.
Answer: Christopher was very strict with his payments.

Problem: How does the sentence end?

The dogs that Amy had looked horrible compared to those of Kayla, due to the fact that 
OPTIONS:
- Amy was kind.
- Kayla was kind.
Answer:
Kayla was kind.