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: John was weighing some materials in his science lab. He observed that as objects had lower density, the heaviness of the objects
Option1: Increased
Option2: Decreased
Explanation: A given volume of a denser substance is heavier than the same volume of a less dense substance.
answer:
Decreased

question:
Question: Milo loved to make things out of clay. If he made a clay ball, what would happen to the ball's gravitational force if he added extra clay to it?
Option1: decrease
Option2: increase
Explanation: The gravitational force increases with mass and decreases with the distance between the bodies.
answer:
increase

question:
Question: Scientists discovered a region where there was a much smaller amount of greenhouse gases getting caught in the atmosphere. Compared to other regions, this region's atmosphere will have a
Option1: higher temperature
Option2: lower temperature
Explanation: More greenhouse gases trap more heat and warm the atmosphere.
answer:
lower temperature