Problem: How does the sentence end?

I prefer spa to the pool and I find the hot water in the 
OPTIONS:
- spa relaxing at the end of the day.
- pool relaxing at the end of the day.
Answer: spa relaxing at the end of the day.
sentence: Eating sweets was a big problem for Carrie but not for Rebecca, thats why  OPTIONS:
- Carrie has a small waistline.
- Rebecca has a small waistline.
complete: Rebecca has a small waistline.
Hunter has recently bought a lychee tree and needs help from Neil, because 
OPTIONS:
- Hunter knows a lot about trees.
- Neil knows a lot about trees.
Neil knows a lot about trees.
Input: Continue writing.

Samantha thought Rebecca was sick, so 
OPTIONS:
- Samantha insisted they go to the doctor and get checked out.
- Rebecca insisted they go to the doctor and get checked out.

Continued: Samantha insisted they go to the doctor and get checked out.
Story needs to be completed:
Jane could not load any more dress into the washer because the 
OPTIONS:
- dress is big.
- washer is big.

My choice:
dress is big.
Problem: How does the sentence end?

It was stinking in Elena's room after Betty left, thanks to the dead fish 
OPTIONS:
- Elena secretly put under the sink.
- Betty secretly put under the sink.
Answer:
Betty secretly put under the sink.