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: Dan needs to stay warm in the woods, and can bring one animal for body heat to sleep next to him. Given the choice between a horse and cat, Dan will choose the 
 Option1: cat 
 Option2: horse 
 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:
horse


question:
Question: When two pieces of metal are rubbing together and oil is added between them the friction 
 Option1: decreases 
 Option2: increases 
 Explanation: To reduce friction, oil is added to the engine.
answer:
decreases


question:
Question: Bryan was tasked with categorizing various fossils that the archeology team dug up. He knew they found some in rock layers near the surface and others in layers much farther below the ground. Which should he categorize as the younger ones? 
 Option1: near surface fossils 
 Option2: farther down fossils 
 Explanation: The main law is the law of superposition. This law states that deeper rock layers are older than layers closer to the surface.
answer:

near surface fossils