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: Due to levels of friction which of these would be easier to push across the ground? 
 Option1: A 10 pound brick 
 Option2: A 1000 pound block 
 Explanation: The faster or larger a moving object is, the greater is the fluid friction resisting its motion.
[A]: A 10 pound brick


[Q]: Question: Compared to the blue super giant star Rigel, would the Sun, which is a yellow dwarf star, be 
 Option1: hotter? 
 Option2: cooler 
 Explanation: But, in stars, the bluer the star, the hotter it is, and the redder it is, the older and colder it is.
[A]: cooler


[Q]: Question: Donald is comparing types of magma, and notices that some samples have lighter minerals than other samples. The samples that are darker likely have 
 Option1: more silica 
 Option2: less silica 
 Explanation: Magmas that produce lighter colored minerals are higher in silica.
[A]:
less silica