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.
--------
Question: Question: Increasing the mass of an object causes its inertia to 
 Option1: increase 
 Option2: decrease 
 Explanation: The full box is harder to move because it has greater mass and therefore greater inertia.

Answer: increase


Question: Question: If a lens loses its curvature, it will refract _____ light. 
 Option1: more 
 Option2: less 
 Explanation: The more curved the surface of a lens is, the more it refracts light.

Answer: less


Question: 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.

Answer:
increase