instruction:
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: Eric has a hydrocarbon with 20 carbon atoms. Rita has a hydrocarbon with 35 carbon atoms. Whose hydrocarbon has fewer isomers? 
 Option1: Eric 
 Option2: Rita 
 Explanation: The more carbon atoms a hydrocarbon has, the greater the number of isomers.
answer:
Eric


question:
Question: Something that is smaller and moving will have _____ energy than something small. 
 Option1: less 
 Option2: more 
 Explanation: Therefore, an object with more mass has greater thermal energy than an object with less mass, even if their individual atoms are moving at the same speed.
answer:
less


question:
Question: Scientists discovered a region where there was a much smaller amount of greenhouse gases getting caught in the atmosphere. Compared to other regions, this region's atmosphere will have a 
 Option1: higher temperature 
 Option2: lower temperature 
 Explanation: More greenhouse gases trap more heat and warm the atmosphere.
answer:

lower temperature