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: The ball began to raise slowly above the table. The higher it rises above the table, the potential energy will 
 Option1: decrease 
 Option2: increase. 
 Explanation: So the higher an object is above a surface, the more potential energy it has.

Ex Output:
increase.


Ex Input:
Question: A family that is enormous, compared to a family that is very small, will have allele differences that are 
 Option1: smaller 
 Option2: greater 
 Explanation: The smaller a population is, the more allele frequencies may drift.

Ex Output:
greater


Ex Input:
Question: An increase in birth rates indicates a/an _____ in the food supply. 
 Option1: decrease 
 Option2: increase 
 Explanation: Low food supply or a lack of space can lower birth rates, increase death rates, or lead to emigration.

Ex Output:

increase