instruction:
You are given a question or fill-in-the-blank question, two answer options (Option1 and Option2) and an Explanation. Your task is to find the correct answer (return the string of the correct option, not option1/2) for the given question from the given options and using explanation.
question:
Question: Dan is pulling his car up a hill, and wants to pull it with as little force as possible. In order to do this effectively, Dan will need to use how many rope segments
Option1: less
Option2: more
Explanation: The more rope segments on a pully that are helping to do the lifting work, the less force that is needed for the job.
answer:
more

question:
Question: Joe is pulling a rubber band with his fingers. When does the band have the most elastic force?
Option1: at rest
Option2: when stretched
Explanation: The elastic force increases the more the material is stretched or compressed.
answer:
when stretched

question:
Question: If Milo wants to make his water saltier and begins adding salt to the glass, what happens to the density of the glass of water?
Option1: decreases
Option2: increases
Explanation: If salt is added to a volume of water, there are more molecules in the same volume, so the water is denser.
answer:
increases