[Q]: How does the sentence end?

Justin had their heart treated by Donald so
OPTIONS:
- Justin spent the day answering questions about how to treat it.
- Donald spent the day answering questions about how to treat it.

[A]: Donald spent the day answering questions about how to treat it.

[Q]: How does the sentence end?

Samuel needed to send a letter so they asked Christopher for stamps because
OPTIONS:
- Samuel had a lot.
- Christopher had a lot.

[A]: Christopher had a lot.

[Q]: How does the sentence end?

Patricia already had many years of experience with yoga, but Samantha was just a beginner.
OPTIONS:
- Patricia took a yoga class.
- Samantha took a yoga class.

[A]:
Samantha took a yoga class.