What's an example of a task that requires knowledge of physical objects to perform?
To help keep brown sugar from clumping up in storage,

What's an example of a task that requires knowledge of physical objects to perform?
To keep the sun out of your house,

What's an example of a task that requires knowledge of physical objects to perform?
Prevent cat from unrolling toilet paper.

What's an example of a task that requires knowledge of physical objects to perform?
How to make the pot pie crust cheesy?