Problem: How does the sentence end?

The toddler didn't fit in the jacket but felt great in the shirt since the 
OPTIONS:
- jacket was the right size.
- shirt was the right size.
Answer: shirt was the right size.
sentence: The treasury workers took the gold bars off of the trolley and stacked them in the safe until the  OPTIONS:
- safe was empty.
- trolley was empty.
complete: trolley was empty.
During the fundraiser, Rebecca gave a cupcake to Maria because 
OPTIONS:
- Rebecca already made a lot of sweets.
- Maria already made a lot of sweets.
Rebecca already made a lot of sweets.
Input: Continue writing.

The party is at 7:00 and I need to catch the train at 9:30, so there isn't much time. Luckily, the 
OPTIONS:
- party was boring, so it worked out.
- train was boring, so it worked out.

Continued: party was boring, so it worked out.
Story needs to be completed:
James got a nail driven into his shoe while jogging. He hated that the 
OPTIONS:
- shoe is so hard.
- nail is so hard.

My choice:
nail is so hard.
Problem: How does the sentence end?

Rebecca's toddler was a better eater than Kayla's, as a result of 
OPTIONS:
- Rebecca being spoiling her less.
- Kayla being spoiling her less.
Answer:
Rebecca being spoiling her less.