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: The the planets are colder than sun because they are 
 Option1: less massive 
 Option2: more massive 
 Explanation: An object with more mass has greater thermal energy than an object with less mass because it has more atoms.

SOLUTION: less massive

PROBLEM: Question: Chris is trying to rewire his home. He wants to install wiring that has the least resistance. He has two choice of wires. the first type of wire is 12 gauge. The second type of wire is thicker at 16 gauge. The wire that offers the most resistance will be the 
 Option1: first type of wire 
 Option2: second type of wire 
 Explanation: Thicker wires offer less resistance.

SOLUTION: first type of wire

PROBLEM: Question: If Mona is rafting on a river and the river is moving quickly, what happens to the size of particles that river deposits if the water slows down? 
 Option1: increases 
 Option2: decreases 
 Explanation: The size of the eroded particles depends on the velocity of the water. Eventually, the water deposits the materials. As water slows, larger particles are deposited. As the water slows even more, smaller particles are deposited.

SOLUTION:
increases