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.
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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: Terry sees a cold day outside. He is _____ likely to produce body heat on this day.
Option1: more
Option2: less
Explanation: For example, on a cold day, an endotherm may produce more body heat by increasing its rate of metabolism.

Answer: more

Question: Question: If the amount of chemicals inside of Jim's lungs decreases, what will happen to the amount of air his lungs can process?
Option1: increase
Option2: decrease
Explanation: When a person smokes there are chemicals released by the tobacco that enter the lungs. Because the lungs have to work harder to remove the chemicals, the body has to work harder to get the air needed to survive.

Answer:
increase