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.

Ex Input:
Question: Dane is checking the pH of his project and sees that it is quite high, which means that the acid in his project is 
 Option1: higher 
 Option2: lower 
 Explanation: Lower pH numbers are more acidic and higher numbers are less acidic (also called more alkaline).

Ex Output:
lower


Ex Input:
Question: Angel traveled from New York to Des Moines, IA , and experienced _____ pollution. 
 Option1: more 
 Option2: less 
 Explanation: For example, more people on the Earth means more people contributing to global warming and pollution.

Ex Output:
less


Ex Input:
Question: If Mona is in her greenhouse monitoring her plants and she decides to lower the temperature inside, what happens to the rate of cellular respiration her plants exhibit? 
 Option1: decreases 
 Option2: increases 
 Explanation: Temperature affects the rate at which photosynthesis, cellular respiration and decomposition take place. The rate of reaction increases with increasing temperature and decreases at lower temperatures.

Ex Output:

decreases