Problem: Continue the following story.

Benjamin suffered a sudden sharp back spasm after picking Kyle up, because
OPTIONS:
- Benjamin was too old.
- Kyle was too old.
Here's how I want to continue it: Benjamin was too old.

Problem: Continue the following story.

Rachel had time at the gym to help Betty rack her weights, as
OPTIONS:
- Rachel was always needing help.
- Betty was always needing help.
Here's how I want to continue it: Betty was always needing help.

Problem: Continue the following story.

The fingernails of Steven grow faster than those of Randy because
OPTIONS:
- Steven eats a lot more food.
- Randy eats a lot more food.
Here's how I want to continue it:
Steven eats a lot more food.