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: Someone that never works out will likely have _____ muscles than someone who lifts weights at home all day. 
 Answer: smaller

Ex Output:
Aerobic exercise increases the size and strength of muscles in the heart and helps all your muscles develop greater endurance.


Ex Input:
Question: If Jim has a container of hydrogen gas that is 50 liters in volume and he moves the gas to a container that is 40 liters in volume, what happens to the density of the gas? 
 Answer: increases

Ex Output:
In the larger container we will still have the same number of gas particles, but now they are filling a much larger space.


Ex Input:
Question: Tom was digging in his backyard one day, after two inches he picked up an oval shaped rock. Tom kept digging and after twelve inches he picked up a square shaped rock, which rock was older? 
 Answer: The Square Shaped Rock

Ex Output:

The upper rock layers are much younger.