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: Greta has 15 resistors in series on her circuit, while Evan has 2 similar resistors in series on his circuit. Whose circuit has the greatest resistance?
Option1: Greta
Option2: Evan
Explanation: Increasing the number of resistors in a series circuit increases the overall resistance of the circuit.

Ex Output:
Greta

Ex Input:
Question: If Mona is exploring different continents and she notices that Africa is cooler then North America, which continent will have more types of vegetation?
Option1: North America
Option2: Africa
Explanation: The warmer a climate is, the more types of vegetation it will have and the greater the rate of biological weathering.

Ex Output:
North America

Ex Input:
Question: Katie has a garden and she installs a small waterfall. Since Katie sets the water to flow very slow and gentle over the sloping fall, the erosion at the bottom of the waterfall will be
Option1: more
Option2: less
Explanation: A gentle slope favours slower flow of surface water, reduces erosion, and increases availability of water to plants.

Ex Output:
less