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 piece of sandpaper was rubbed across a glass table, then the sandpaper was rubbed across some gravel. The friction will be greater between 
 Option1: the sandpaper and the glass table or 
 Option2: the sandpaper and the gravel. 
 Explanation: Rougher surfaces have more friction between them than smoother surfaces.
answer:
the sandpaper and the gravel.


question:
Question: James stares at the volcano and saw the rocks melt because of the _____ temperatures. 
 Option1: high 
 Option2: low 
 Explanation: Temperature increases with depth inside the Earth, so melting of rocks is more likely to occur at greater depths.
answer:
high


question:
Question: If Mona is speaking to Milo in a soft tone and then increases the amplification of the sound waves leaving her mouth, what will happen to the loudness level of her voice? 
 Option1: increase 
 Option2: decrease 
 Explanation: Amplified sound waves have more energy, which increases the intensity and loudness of the sounds, so they are easier to hear.
answer:

increase