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: Farmer Bill got an older machine to sift his wheat. This machine causes him to grow _____ food. 
 Option1: more 
 Option2: less 
 Explanation: More advanced farming practices allowed a single farmer to grow food for many more people.
answer:
less


question:
Question: When a star is nearing a planet, the star will be pulled into it if the gravitational force is 
 Option1: weaker 
 Option2: stronger 
 Explanation: The closer objects are to each other, the stronger the gravitational force between them.
answer:
stronger


question:
Question: Tina goes to the hot sauna. Her temperature increases, so the particles in her body will move 
 Option1: slower 
 Option2: faster 
 Explanation: The higher the temperature, the more energy the particles have and the faster they will move and diffuse.
answer:

faster