TASK DEFINITION: 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.
PROBLEM: Question: A wave with a shorter wavelength will have a _____ frequency 
 Option1: longer 
 Option2: shorter 
 Explanation: Because all electromagnetic waves travel at the same speed through space, a wave with a shorter wavelength must have a higher frequency, and vice versa.

SOLUTION: longer

PROBLEM: Question: Ron was playing with a flashlight. He moved it back and forth slowly, and then quickly. Which motion likely caused less light to bend? 
 Option1: the slow motion 
 Option2: the quick motion 
 Explanation: In refraction of light, the greater the change in speed, the more light bends.

SOLUTION: the slow motion

PROBLEM: Question: Dana is looking at two surfaces to see which has been eroded first. One surface is a large rock, the other is a small rock. The large rock will be eroded 
 Option1: more 
 Option2: less 
 Explanation: With more surfaces of the rocks exposed, there are more places for chemical weathering to occur.

SOLUTION:
more