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: 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: If you fill a smaller canister with gas from a large canister will the density 
 Option1: increase 
 Option2: decrease 
 Explanation: If we take a certain amount of gas from one container and place it into another, larger container, the gas expandsto fill the larger container. The same mass of gas is now in a larger volume, the gas now has a lower density.

A: increase
****
Q: Question: Bonnie is studying cells. She notices that certain cells are inactive. The cells that are inactive have 
 Option1: more mitochondria 
 Option2: less mitochondria. 
 Explanation: Cells that are very active would typically have more mitochondria than cells that are less active.

A:
less mitochondria.
****