TASK DEFINITION: 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.
PROBLEM: Question: As goats are removed from an area with grass what will happen to the grass levels? 
 Option1: increase 
 Option2: decrease 
 Explanation: In an inverse relationship, when one variable increases, the other variable decreases.

SOLUTION: increase

PROBLEM: Question: Tanya has a substance with mass 10kg. Logan has a substance with mass 5kg. If both substances are the same size, who has the less dense substance. 
 Option1: Tanya 
 Option2: Logan 
 Explanation: If we have two materials with the same volume, the material with a higher mass will be more dense.

SOLUTION: Logan

PROBLEM: Question: Would an astronaut on the surface of the Earth experience 
 Option1: less gravitational attraction to the Earth than an astronaut floating five million miles away from the Earth 
 Option2: more gravitational attraction to the Earth than an astronaut floating five million miles away from the Earth 
 Explanation: As the distance between the objects increases, the force of gravitational attraction decreases.

SOLUTION:
more gravitational attraction to the Earth than an astronaut floating five million miles away from the Earth