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.

Let me give you an example: Question: The government of Canada is considering implementing less carbon taxes across the country. If these taxes were implemented, the amount of carbon dioxide emissions in the country would be expected to 
 Option1: fall 
 Option2: rise 
 Explanation: The carbon taxes encourage people to use less fossil fuel, which reduces carbon dioxide emissions.
The answer to this example can be: rise
Here is why: As mentioned in the Qualitative Statement, due to taxes people will reduce usage of fossil fuel and hence, carbon dioxide emission will also reduce. So, if Camada government decrease the tax, people will use it more and hencce, emission will also incerase.

OK. solve this:
Question: Water found on Earth's hot regions is _____ dense that water found on Earth's cold regions. 
 Option1: more 
 Option2: less 
 Explanation: Water becomes more dense when it is colder and when it has more salt.
Answer:
less