Problem: How does the sentence end?

The article that John wrote wouldn't fit on a single page in the book because the
OPTIONS:
- article was too short.
- page was too short.
Answer: page was too short.

Problem: How does the sentence end?

He quickly solved the puzzle, but was unable to complete the maze, because the
OPTIONS:
- puzzle was simple.
- maze was simple.
Answer: puzzle was simple.

Problem: How does the sentence end?

Donald was more athletic than Kyle so
OPTIONS:
- Donald fell over really easily in the tug-o-war.
- Kyle fell over really easily in the tug-o-war.
Answer: Kyle fell over really easily in the tug-o-war.

Problem: How does the sentence end?

Katrina went to the closet to get a blanket to cover Maria because
OPTIONS:
- Katrina is a nurse.
- Maria is a nurse.
Answer:
Katrina is a nurse.