Problem: How does the sentence end?

Mel wanted to trade me her brace for my cast. She thinks the
OPTIONS:
- brace is more rigid.
- cast is more rigid.
Answer: cast is more rigid.

Problem: How does the sentence end?

Christine thought it would be funny if Samantha was scared, so
OPTIONS:
- Christine jumped when they accosted them in the dark.
- Samantha jumped when they accosted them in the dark.
Answer: Samantha jumped when they accosted them in the dark.

Problem: How does the sentence end?

Because lactose intolerance causes unpleasant symptoms like gas, and Eric suffered from this while Kyle did not,
OPTIONS:
- Eric consumed dairy without concern.
- Kyle consumed dairy without concern.
Answer: Kyle consumed dairy without concern.

Problem: How does the sentence end?

To treat his constipation, Justin received the medicine from Kyle because
OPTIONS:
- Justin didn't know how to treat it.
- Kyle didn't know how to treat it.
Answer:
Justin didn't know how to treat it.