Goal and options: What should you do before you begin filling a sinkhole?
output answer: Remove any loose debris that may be in the sinkhole: tree branches, pine cones, etc.

Goal and options: attach the lights to the clothes hanger
output answer: Hang the hanger at a comfortable height on the tree and tie the end of the lights to the hook part of the hanger

Goal and options: how do you check behind your car from the front seat?
output answer:
use your rearview mirror.