Problem: How does the sentence end?

I was hungry and I put the pork chop on the pan because the 
OPTIONS:
- pork chop was cold.
- pan was cold.
Answer: pork chop was cold.
sentence: Monica desperately needed a kidney transplant to live and luckily Tanya was willing to give theirs.  OPTIONS:
- Monica was thankful.
- Tanya was thankful.
complete: Monica was thankful.
The marketer was able to sell the bands faster than the ball because the 
OPTIONS:
- band is expensive.
- ball is expensive.
ball is expensive.
Input: Continue writing.

Measuring the gutters was a lot harder for the repairman than measuring the pieces of siding. The 
OPTIONS:
- gutters likely have a standard shape.
- pieces of siding likely have a standard shape.

Continued: pieces of siding likely have a standard shape.
Story needs to be completed:
Christopher thinks mice are a good pet but Derrick does not. 
OPTIONS:
- Christopher bought some hamsters at the pet store.
- Derrick bought some hamsters at the pet store.

My choice:
Derrick bought some hamsters at the pet store.
Problem: How does the sentence end?

Heather decided to replace the wheel of the car instead of the window because the 
OPTIONS:
- wheel was in stock.
- window was in stock.
Answer:
wheel was in stock.