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.

Q: Question: If Mona adds more water to her cauldron of melting rock, what will happen to the melting point of that rock? 
 Option1: increase 
 Option2: decrease 
 Explanation: As the amount of water increases, the melting point of rock decreases.

A: decrease
****
Q: Question: If you found something with very few hydrogen ions it would be 
 Option1: basic 
 Option2: acidic 
 Explanation: With a higher concentration of hydrogen ions, a solution is more acidic but has a lower pH.

A: basic
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Q: Question: Dean is trying to slide a rock down a hill using more input force. The slope of the hill that will be ideal for Dean is one that has a slope that is 
 Option1: sudden 
 Option2: gradual 
 Explanation: The more gradual the slope of the inclined plane, the less input force is needed and the greater the mechanical advantage.

A:
sudden
****