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: Erin is trying to get her solution to have a pH as far from zero as possible. The best way for Erin to do that is to have the acidity of the solution 
 Option1: decrease 
 Option2: increase 
 Explanation: The more acidic a solution is, the closer its pH value will be to 0
answer:
decrease


question:
Question: John was looking at rocks in the valley and noticed something. The less resistant the rocks he looked at were, the amount they remained was 
 Option1: Shorter 
 Option2: Longer 
 Explanation: Different types of rocks weather at different rates. More resistant types of rocks will remain longer.
answer:
Shorter


question:
Question: When a pH number is very high we say the item is: 
 Option1: basic 
 Option2: acidic 
 Explanation: The more acidic a solution is, the closer its pH value will be to 0
answer:

basic