Problem: How does the sentence end?

Rebecca fell asleep on Betty because
OPTIONS:
- Rebecca was tired after a long day at work.
- Betty was tired after a long day at work.
Answer: Rebecca was tired after a long day at work.

sentence: James had his shirt stained with blood and he wore a jacket over it because the OPTIONS:
- shirt is dirty.
- jacket is dirty.
complete: shirt is dirty.

Ian was in the library helping Samuel solve the chemical equation since
OPTIONS:
- Ian was a perfect student.
- Samuel was a perfect student.
Ian was a perfect student.

Input: Continue writing.

The knife were not presented in court, but the gun was, since the
OPTIONS:
- knife was poor proof of this crime.
- gun was poor proof of this crime.

Continued: knife was poor proof of this crime.

Story needs to be completed:
Rebecca wanted to change names and Carrie didn't approve because
OPTIONS:
- Rebecca thought it was a dated name.
- Carrie thought it was a dated name.

My choice:
Carrie thought it was a dated name.

Problem: How does the sentence end?

The backhoe failed to remove the boulder but the bulldozer could, as the
OPTIONS:
- backhoe was correctly equipped for the job.
- bulldozer was correctly equipped for the job.
Answer:
bulldozer was correctly equipped for the job.