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: As an object slows down, it will become _____. 
 Answer: cooler

Ex Output:
At a lower temperature, particles of the medium are moving more slowly, so it takes them longer to transfer the energy of the sound waves.


Ex Input:
Question: An decrease in birth rates indicates a/an _____ in the food supply. 
 Answer: decrease

Ex Output:
Low food supply or a lack of space can lower birth rates, increase death rates, or lead to emigration.


Ex Input:
Question: Compared to an obese person who has never exercised, would an Olympic sprinter in perfect condition be more likely to have a heart that can, with each beat, move 
 Answer: more blood

Ex Output:

When a person exercises regularly, and is fit, the heart undergoes certain long-term adaptations. The heart muscle gets stronger, and expels more blood with each contraction.