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: Jeff found some very dense water. He knows it is dense because it takes up _____ space than less dense water. 
 Option1: more 
 Option2: less 
 Explanation: More dense water takes up less space than less dense water.
less

Question: If Milo has dark skin and Jerry has light skin, which person will sunburn more easily? 
 Option1: Milo 
 Option2: Jerry 
 Explanation: Light-skinned people get sunburned more quickly than people with darker skin.
Jerry

Question: If Mona shines a light through both wool and cotton and determines that cotton is less dense then wool, which material will the light move faster through? 
 Option1: wool 
 Option2: cotton 
 Explanation: The more dense the medium, the slower the light moves.

cotton