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 Q]: Question: In ancient times, there was worse medicine. This means there was a _____ death rate. 
 Option1: lower 
 Option2: higher 
 Explanation: More recently, the death rate has fallen because of the availability of more food and medical advances.
[EX A]: higher

[EX Q]: Question: James stares at the volcano and saw the rocks melt because of the _____ temperatures. 
 Option1: high 
 Option2: low 
 Explanation: Temperature increases with depth inside the Earth, so melting of rocks is more likely to occur at greater depths.
[EX A]: high

[EX Q]: Question: When the ocean loses greenhouse gases what happens to it? 
 Option1: gains acidity 
 Option2: loses acidity 
 Explanation: An increase in greenhouse gases will increase the changes that are already being seen including in ocean acidity.
[EX A]:
loses acidity