Question:
The files would load on my PC, but not my Mac, because my OPTIONS:
- PC was compatible with them.
- Mac was compatible with them.

Answer:
Continue the sentence -- PC was compatible with them.

Question:
His reasons helped me understand the tasks a lot better than before, because the OPTIONS:
- reasons were confusing.
- tasks were confusing.

Answer:
Continue the sentence -- tasks were confusing.

Question:
The band member tried to put the guitar in the case but it wouldn't fit because the OPTIONS:
- guitar was too big.
- case was too big.

Answer:
Continue the sentence -- guitar was too big.

Question:
Randy thought the US should build a wall on the border but Craig disagreed. OPTIONS:
- Randy protested the border wall rally.
- Craig protested the border wall rally.

Answer:
Continue the sentence -- Craig protested the border wall rally.