Problem: How does the sentence end?

Natalie wanted to become a vegetarian much to Samantha's dismay, so
OPTIONS:
- Natalie started to eat more vegetables.
- Samantha started to eat more vegetables.
Answer: Natalie started to eat more vegetables.

Problem: How does the sentence end?

Samuel dumped Derrick because was no longer in love with them, and afterwards,
OPTIONS:
- Samuel felt relieved.
- Derrick felt relieved.
Answer: Samuel felt relieved.

Problem: How does the sentence end?

Since Nelson was assertive at work and Donald was not,
OPTIONS:
- Nelson did not make a lot of sales with their clients.
- Donald did not make a lot of sales with their clients.
Answer: Donald did not make a lot of sales with their clients.

Problem: How does the sentence end?

Erin was stronger than Tanya because of the training program, and
OPTIONS:
- Erin felt bad about it.
- Tanya felt bad about it.
Answer:
Tanya felt bad about it.