TASK DEFINITION: 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.
PROBLEM: 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.

SOLUTION: the sandpaper and the gravel.

PROBLEM: Question: If Milo is using an electromagnet to lift a car and he wants to decrease the strength of it, what should he do to the current? 
 Option1: decrease it 
 Option2: increase it 
 Explanation: If the current passing through the circuit breaker increases, the electromagnet becomes stronger.

SOLUTION: decrease it

PROBLEM: Question: Jay's risk of breast cancer is 10% at age 50. Was her risk higher or lower when she was 25? 
 Option1: lower 
 Option2: higher 
 Explanation: Breast cancer is rare in teens but becomes more common as females get older.

SOLUTION:
lower