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: Tina is putting on a sweater. As she stretches out the material, its elastic force 
 Option1: increases 
 Option2: decreases 
 Explanation: The farther the material is stretched or compressed, the greater the elastic force becomes.
answer:
increases


question:
Question: When you go into a cave, the rocks at shallower levels are _____ than the rocks on the surface. 
 Option1: younger 
 Option2: older 
 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:
younger


question:
Question: Eric adds more resistors to the series circuit. The resistance 
 Option1: increases 
 Option2: decreases 
 Explanation: In a series circuit, the resistance increases as more resistors are added in series.
answer:

increases