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


question:
Question: Hundreds of years ago there were fewer people on the Earth than there are today. Because of this, there was 
 Option1: more water 
 Option2: less water. 
 Explanation: Many of the worlds people live with water scarcity, and that percentage will increase as populations increase and climate changes.
answer:
more water


question:
Question: Kira is noting how valence electrons might be attracted by the nucleus. She sees that currently, the valence electrons are farther from the nucleus, which means they are attracted 
 Option1: more strongly 
 Option2: less strongly 
 Explanation: When valence electrons are farther from the nucleus, they are attracted less strongly by the nucleus and more easily removed from the atom.
answer:

less strongly