Goal and options: how do you open the sunroof on a car?
output answer: press the button to open it on the roof.

Goal and options: To keep pasta shells from sticking to the bottom of a slow cooker
output answer: Add some pasta sauce to the bottom of the slow cooker and under the pasta

Goal and options: How to keep the airflow vent on a fan clean from obstruction?
output answer:
Purchase a can of concentrated air and carefully place the nozzle just short of the vent, spray until dust is removed.