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.

Ex Input:
Question: Mona is a scientist studying erosion at a university. She is observing a river. If she starts taking erosion measurements at the mouth of the river and moves up to the head of the river, what will she find happens as the slope gets steeper? 
 Option1: erosion decreases 
 Option2: erosion increases 
 Explanation: Water flowing over a steeper slope moves faster and causes more erosion.

Ex Output:
erosion increases


Ex Input:
Question: Bob moves a table across the floor. After, he moves a smaller chair. Which piece of furniture had more friction? 
 Option1: chair 
 Option2: table. 
 Explanation: Heavier objects also have more friction because they press together with greater force.

Ex Output:
table.


Ex Input:
Question: Dan is pulling his car up a hill, and wants to pull it with as little force as possible. In order to do this effectively, Dan will need to use how many rope segments 
 Option1: less 
 Option2: more 
 Explanation: The more rope segments on a pully that are helping to do the lifting work, the less force that is needed for the job.

Ex Output:

more