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: If Mona removes more water from 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.
increase

Question: A part of the beach is smooth, and another part is very rough. The waves on the smooth part of the beach are probably 
 Option1: larger 
 Option2: smaller 
 Explanation: The bigger the waves are and the more sediment they carry, the more erosion they cause.
larger

Question: Compared to an island filled with tigers, would a similar island with no tigers be 
 Option1: less likely to have an overwhelming deer population 
 Option2: more likely to have an overwhelming deer population? 
 Explanation: An increase in predators, the emergence of a new disease, or the loss of habitat are just three possible problems that will decrease a population.

more likely to have an overwhelming deer population?