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.

[Q]: Question: If a Geiger counter is silent in an area, there is _____ reason to worry about radiation. 
 Option1: little 
 Option2: much 
 Explanation: The faster the clicks of a Geiger counter occur, the higher the level of radiation.
[A]: little


[Q]: Question: Peter added salt to his juice one morning. The mixture became _____ dense. 
 Option1: more 
 Option2: less 
 Explanation: If salt is added to a volume of water, there are more molecules in the same volume, so the water is denser.
[A]: more


[Q]: Question: Don was swimming in the ocean, and decided to dive deeper. Don noticed that the deeper he swam the water got 
 Option1: darker 
 Option2: lighter 
 Explanation: The deeper you go, the darker the water gets.
[A]:
darker