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: Noah compares the density of the water in a pond during a hot July day and a cold winter morning. The water on the July day is
Option1: more dense
Option2: less dense.
Explanation: Lower temperature and higher salinity yield the densest water.

Ex Output:
less dense.

Ex Input:
Question: Kelly built a home with a gorgeous ocean view, and he decided to level the surrounding area. As a result, erosion is occurring
Option1: faster
Option2: slower
Explanation: Water flowing over a steeper slope moves faster and causes more erosion.

Ex Output:
slower

Ex Input:
Question: Karen is studying friction in school. She wonders, of her two twin friends Sara and Samantha, which is causing more friction with the floor. They have on different shoes. Sara is wearing smooth soled tap shoes, while Samantha is wearing much rougher soled work boots. Assuming their weight is the same and all other factors are constant, _____ is creating less friction with the ground.
Option1: Sara
Option2: Samantha
Explanation: Friction is greater when objects have rougher surfaces or are heavier so they press together with greater force.

Ex Output:
Sara