Problem: Continue the following story.

The librarian took the books off of the cart and put them on the shelf until the
OPTIONS:
- cart was full.
- shelf was full.
Here's how I want to continue it: shelf was full.

Problem: Continue the following story.

We returned the drill and opted to purchase a hammer, since the
OPTIONS:
- drill was conducive to our building project.
- hammer was conducive to our building project.
Here's how I want to continue it: hammer was conducive to our building project.

Problem: Continue the following story.

The leather jacket of Sarah looked older than Elena's because
OPTIONS:
- Sarah had a modern leather jacket.
- Elena had a modern leather jacket.
Here's how I want to continue it:
Elena had a modern leather jacket.