Problem: How does the sentence end?

I thought the canvas was big enough to fit the patio, but it didn't because the
OPTIONS:
- canvas was too small.
- patio was too small.
Answer: canvas was too small.

sentence: The climber was holding onto the rock instead of the branch to keep from falling , because the OPTIONS:
- rock was secure ..
- branch was secure ..
complete: rock was secure ..

Dennis lost more weight than Nelson over the summer, because
OPTIONS:
- Dennis didn't take any walks outside.
- Nelson didn't take any walks outside.
Nelson didn't take any walks outside.

Input: Continue writing.

The budget fared much better for the desks than it did for the chairs, because the
OPTIONS:
- chairs were essential.
- desks were essential.

Continued: desks were essential.

Story needs to be completed:
The horse ran past Rebecca and up to Christine, because
OPTIONS:
- Rebecca had sugar cubes in their pocket.
- Christine had sugar cubes in their pocket.

My choice:
Christine had sugar cubes in their pocket.

Problem: How does the sentence end?

Christopher told Samuel that he could help him build a composter this weekend.
OPTIONS:
- Christopher was generous.
- Samuel was generous.
Answer:
Christopher was generous.