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.

Q: Question: If we use just our eyes, rather than a telescope, to look into space, we are able to see 
 Option1: less 
 Option2: more 
 Explanation: What this means is that at higher magnification, we are able to see objects of smaller and smaller size within our field of view.

A: less
****
Q: Question: Lana is watching two waterfalls. The first waterfall is very steep, and the other is just a slope. The waterfall which will have the least erosion at the bottom is the one with the water which falls 
 Option1: slower 
 Option2: faster 
 Explanation: Water flowing over a steeper slope moves faster and causes more erosion.

A: slower
****
Q: Question: The arteries in the heart are _____ than the arteries in the toes. 
 Option1: smaller 
 Option2: larger 
 Explanation: Further away from the heart, the aorta branches into smaller arteries, which eventually branch into capillaries.

A:
larger
****