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: Given two equal measures of water by volume, which would be lighter 
 Option1: ocean water 
 Option2: distilled water? 
 Explanation: Water becomes more dense when it is colder and when it has more salt.

Answer: distilled water?


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: Would a microphone designed to listen for avalanches detect the sound of falling snow sooner on a 
 Option1: warm day 
 Option2: colder day? 
 Explanation: For a given medium such as air, sound has a slower speed at lower temperatures.

Answer:
warm day