[Q]: How does the sentence end?

Amaya replaced the toilet and not the sink in the bathroom because the
OPTIONS:
- toilet was unclean.
- sink was unclean.

[A]: toilet was unclean.

[Q]: How does the sentence end?

The hair of Leslie is grey, but Jeffrey has brown hair, so
OPTIONS:
- Leslie is probably older.
- Jeffrey is probably older.

[A]: Leslie is probably older.

[Q]: How does the sentence end?

Jenny found that using peroxide instead of toothpaste on her teeth gave her a better smile, because with
OPTIONS:
- peroxide her teeth were whiter.
- toothpaste her teeth were whiter.

[A]:
peroxide her teeth were whiter.