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.

Question: Derek's dad was now at a greater risk of getting a cardiovascular disease, even though nothing about his lifestyle or diet changed. The thing that did change is that his dad is now a 
 Option1: larger age 
 Option2: smaller age 
 Explanation: The older a person is, the greater their chance of developing a cardiovascular disease.
larger age

Question: Reed saw a cell through a microscope. He sees a cell has less visible mitochondria than the rest. This cell likely is _____ active compared to the others. 
 Option1: more 
 Option2: less 
 Explanation: Cells that are very active would typically have more mitochondria than cells that are less active.
less

Question: A piece of sandpaper was rubbed across a glass table, then the sandpaper was rubbed across some gravel. The friction will be greater between 
 Option1: the sandpaper and the glass table or 
 Option2: the sandpaper and the gravel. 
 Explanation: Rougher surfaces have more friction between them than smoother surfaces.

the sandpaper and the gravel.