TASK DEFINITION: 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.
PROBLEM: Question: Devon's cat, Fluffy, is looking for a nice warm spot to lay out in the sun. Because of how the sun heats the earth, and how some heat radiates into the air, the cat laying on the ground, rather than high up in a tree branch, would keep the cat
Option1: cooler
Option2: warmer
Explanation: The surface is heated by the Sun and some of that heat radiates back into the air. This makes the temperature higher near the surface than at higher altitudes.

SOLUTION: warmer

PROBLEM: Question: NASA has sent an unmanned probe to survey a distant solar system with four planets. Planet Zorb is farthest from the sun of this solar system, Planet Krakatoa is second farthest, Planet Beanbag is third, and Krypton is the closest. The probe visits the planets in order, first Zorb, then Krakatoa, then Beanbag and finally Krypton. Did the probe have to fly farther in its trip from
Option1: Zorb to Krakatoa or
Option2: from Beanbag to Krypton?
Explanation: In general, the farther away from the Sun, the greater the distance from one planets orbit to the next.

SOLUTION: Zorb to Krakatoa or

PROBLEM: Question: Derek felt cold as he stood in the shade, and since his body was cooling down, he knew that his blood vessels in his skin were
Option1: expanding
Option2: contracting
Explanation: When your brain senses that your body temperature is increasing, it sends messages to the blood vessels in the skin to increase in diameter.

SOLUTION:
contracting