instruction:
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.
question:
Question: A car that is very heavy will accelerate 
 Answer: slower
answer:
The greater the mass of an object, the less it will accelerate when a given force is applied.


question:
Question: A car with 4 cylinders is _____ than a car with 6 cylinders. 
 Answer: less powerful
answer:
The more cylinders a car engine has, the more powerful its engine can be.


question:
Question: In modern times, there is better medicine. This means there is a _____ death rate. 
 Answer: lower
answer:

More recently, the death rate has fallen because of the availability of more food and medical advances.