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: 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.
answer:
less


question:
Question: John was looking at a diagram of an electrical system. He observed that it was less difficult for electronics to move when the wire was 
 Option1: Thicker 
 Option2: Thinner 
 Explanation: A thinner wire is more difficult for electrons to move through than a thicker wire.
answer:
Thicker


question:
Question: If Jim delves deep into the Earth and takes a sample then compares it to a sample he took close to the surface, which sample will be older? 
 Option1: deep sample 
 Option2: shallow sample 
 Explanation: Older layers are deeper in the Earth, younger layers are closer to the surface.
answer:

deep sample