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: When it gets hot out what happens to our blood flow? 
 Option1: decreases 
 Option2: increases 
 Explanation: On a hot day, an endotherm may give off more heat by increasing blood flow to the surface of the body.
answer:
increases


question:
Question: When a baby drinks very little milk from their mother then their mother makes 
 Option1: less milk 
 Option2: more milk 
 Explanation: The more the baby suckles, the more prolactin is released, which causes more milk to be produced.
answer:
less milk


question:
Question: If Mona is adding helium to a balloon and she increases the amount she is adding, what happens to the amount of energy the helium particles can pass amongst each other? 
 Option1: decreases 
 Option2: increases 
 Explanation: When particles of matter are closer together, they can more quickly pass the energy of vibrations to nearby particles.
answer:

increases