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: Two hands are rubbing together fast, two other hands rub slowly, so the faster hands will make heat in amounts that are 
 Option1: larger 
 Option2: smaller 
 Explanation: Friction causes the molecules on rubbing surfaces to move faster, so they have more energy. This gives them a higher temperature, and they feel warmer.
larger

Question: Decreasing 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.
decrease

Question: Do gas engine cars pollute more or less than electric engine cars? 
 Option1: more 
 Option2: less 
 Explanation: Plug-in hybrids run for a longer time on electricity and so are less polluting than regular hybrids.

more