Problem: Continue the following story.

Nelson beat out William for the lead in the school play, because 
OPTIONS:
- Nelson had a worse musical voice.
- William had a worse musical voice.
Here's how I want to continue it: William had a worse musical voice.

Problem: Continue the following story.

Samantha helped Rachel study for her high school exams because 
OPTIONS:
- Samantha is a good student.
- Rachel is a good student.
Here's how I want to continue it: Rachel is a good student.

Problem: Continue the following story.

I replaced my old wood garden shed in the backyard with a concrete one. The 
OPTIONS:
- concrete was sturdy.
- wood was sturdy.
Here's how I want to continue it:
concrete was sturdy.