In this task, you are given a question and answer for that. The answer will fill in the blank or will complete the unfinished question. Your task is to provide an explanation based on the given question or fill-in-the-blank statement, and answer.

Ex Input:
Question: Mike is trying to make two different things slide across the ground. One is block, the other is a chair. The thing that will be hardest to push has 
 Answer: more mass

Ex Output:
Its harder to overcome friction between heavier objects and the floor than it is between lighter objects and the floor.


Ex Input:
Question: If James is taking pictures with his camera and he decides to leave his shutter open less, what happens to the amount of light the lens lets in? 
 Answer: decreases

Ex Output:
A camera shutter stays open longer in dim light to let more light in.


Ex Input:
Question: Rick had a rock (Rock A) from 1000 feet beneath the crust's surface. He later dug 3000 feet deeper and got a second rock (Rock B). Which rock is likely older? 
 Answer: Rock B

Ex Output:

Older rocks are at the bottom and younger rocks are at the top.