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: Jeff removes energy from his water. The water becomes more 
 Option1: cold 
 Option2: hot 
 Explanation: The temperature of matter increases with the added energy.
answer:
cold


question:
Question: If Milo is listening to the radio and he moves closer to the radio in the room, what happens to the sound waves entering his ear? 
 Option1: they spread out less 
 Option2: they spread out more 
 Explanation: The farther the sound waves travel away from the source, the more spread out their energy becomes.
answer:
they spread out less


question:
Question: Alan's lye has a higher pH than his soda. His lye was _____ acidic. 
 Option1: less 
 Option2: more 
 Explanation: Acids have pH values below 7. The lower the pH value, the more strongly acidic the substance.
answer:

less