Problem: How does the sentence end?

My hammer that I just bought was better than the screwdriver because the
OPTIONS:
- hammer was the wrong tool for the job.
- screwdriver was the wrong tool for the job.
Answer: screwdriver was the wrong tool for the job.

sentence: Sam decided to get cleaned up in the shower instead of the bath because the OPTIONS:
- shower was working.
- bath was working.
complete: shower was working.

She put mustard on the sandwiches, but not on the fries, because she thought the
OPTIONS:
- sandwiches had been served bland.
- fries had been served bland.
sandwiches had been served bland.

Input: Continue writing.

Jessica had blood drawn at the hospital by Christine because
OPTIONS:
- Jessica was the patient having tests run.
- Christine was the patient having tests run.

Continued: Jessica was the patient having tests run.

Story needs to be completed:
Kevin agreed to give Power of Attorney to Leslie, because
OPTIONS:
- Kevin had been diagnosed with Alzheimer's.
- Leslie had been diagnosed with Alzheimer's.

My choice:
Kevin had been diagnosed with Alzheimer's.

Problem: How does the sentence end?

Erin helped Sarah write an essay for English class because
OPTIONS:
- Erin was a failure at writing.
- Sarah was a failure at writing.
Answer:
Sarah was a failure at writing.