[Q]: How does the sentence end?

It seemed more likely that Logan would publish a scientific paper rather than Nelson because
OPTIONS:
- Logan had not done any research.
- Nelson had not done any research.

[A]: Nelson had not done any research.

[Q]: How does the sentence end?

Mostly the ceiling gets mold during the cold season or rainy season. The
OPTIONS:
- Ceiling is dirty.
- Mold is dirty.

[A]: Ceiling is dirty.

[Q]: How does the sentence end?

Matthew spent the weekend watching a baby while Benjamin was on vacation, and
OPTIONS:
- Matthew made sure the baby was fed.
- Benjamin made sure the baby was fed.

[A]:
Matthew made sure the baby was fed.