Problem: How does the sentence end?

Sara bought a bikini for her vacation but wore a one piece instead because she was confident in the 
OPTIONS:
- bikini .
- one piece .
Answer: one piece .

Problem: How does the sentence end?

Cleaning a piano is easy to Nick but not Leslie because 
OPTIONS:
- Nick makes it complex by not using a feather duster.
- Leslie makes it complex by not using a feather duster.
Answer: Leslie makes it complex by not using a feather duster.

Problem: How does the sentence end?

Jessica was sleeping with Amy, who was married, so 
OPTIONS:
- Jessica went home alone when they were done.
- Amy went home alone when they were done.
Answer: Jessica went home alone when they were done.

Problem: How does the sentence end?

His two biggest problems were his consumption of cookies and potatoes.  The 
OPTIONS:
- cookies were often crumbling.
- potatoes were often crumbling.
Answer:
cookies were often crumbling.