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: If Mona adds some mass to the object she is creating for her school project, what happens to the gravitational attraction of that object? 
 Option1: increase 
 Option2: decrease 
 Explanation: The greater the objects mass, the greater the force of gravitational attraction.
[EX A]: increase

[EX Q]: Question: Jim is comparing two rivers. One has a steep slope and one has a shallow slope. Will the shallow slope or the steep slope provide less water availability? 
 Option1: steep slope 
 Option2: shallow slope 
 Explanation: A gentle slope favours slower flow of surface water, reduces erosion, and increases availability of water to plants.
[EX A]: steep slope

[EX Q]: Question: Noah compares the density of the water in a pond during a hot July day and a cold winter morning. The water on the July day is 
 Option1: more dense 
 Option2: less dense. 
 Explanation: Lower temperature and higher salinity yield the densest water.
[EX A]:
less dense.