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: A decrease in body size will cause a concomitant _____ in its surface area to volume ratio. 
 Option1: increase 
 Option2: decrease 
 Explanation: Size restriction: The final body size is limited because as the body size increases, the surface area to volume ratio decreases.
answer:
increase


question:
Question: If Mona is freezing a glass of water and the temperature of the water begins to decrease, what happens to the density of that water? 
 Option1: increases 
 Option2: decreases 
 Explanation: Lower temperature and higher salinity yield the densest water.
answer:
increases


question:
Question: As we turn down the volume on a stereo that we are listening to the sound waves get 
 Option1: smaller 
 Option2: larger 
 Explanation: As decibel levels get higher, sound waves have greater intensity and sounds are louder.
answer:

smaller