Problem: Continue the following story.

Allen wanted to put his new tool in the toolbox, but the
OPTIONS:
- tool was too big.
- toolbox was too big.
Here's how I want to continue it: tool was too big.

Problem: Continue the following story.

Needing money, the man decided to sell the guitar instead of the piano, because the
OPTIONS:
- guitar would sell for a higher amount.
- piano would sell for a higher amount.
Here's how I want to continue it: guitar would sell for a higher amount.

Problem: Continue the following story.

The kitty didn't fit into the litter box that we bought for her because the
OPTIONS:
- box is too big.
- kitty is too big.
Here's how I want to continue it:
kitty is too big.