[Q]: How does the sentence end?

Nelson got worried more often than Dennis did because 
OPTIONS:
- Nelson had issues with anxiety and depression.
- Dennis had issues with anxiety and depression.

[A]: Nelson had issues with anxiety and depression.
QUES: Continue writing.

The returns on the stocks could only go down, while the bonds values would increase , because the 

OPTIONS:
- stocks were a fruitful investment.
- bonds were a fruitful investment.
+++++++++
ANS: bonds were a fruitful investment.
Problem: How does the sentence end?

The chinchilla was diagnosed with respiratory disease, so the vet prescribed it medicine and homeopathic treatment. The 
OPTIONS:
- medicine worked well since it was backed by science.
- homeopathic treatment worked well since it was backed by science.
Answer: medicine worked well since it was backed by science.
sentence: Cynthia asked if Felicia would help her change her baby, since  OPTIONS:
- Cynthia was adept with a diaper.
- Felicia was adept with a diaper.
complete: Felicia was adept with a diaper.
After getting out of bed Joel did 100 jumping jacks while Nick did 100 pullups. 
OPTIONS:
- Joel had terrible arm strength.
- Nick had terrible arm strength.
Joel had terrible arm strength.
Problem: Continue the following story.

The seamstress wanted to sew the button on the collar of the coat but the 
OPTIONS:
- collar was too small.
- button was too small.
Here's how I want to continue it:
collar was too small.