You are given a sentence and your task is to generate another sentence that supports the given input.

[Q]: The body's immune system has many mechanisms to defend against unwanted foreign substances (viruses, bacteria, cancer cells, etc.), including antibodies that recognize and destroy the substances.
[A]: The immune system typically recognizes, attacks, and destroys foreign cells or substances that may cause disease.


[Q]: Newton's Second Law Newton's second law states that the acceleration of an object is inversely proportional to its mass and directly proportional to the net external force acting upon it.
[A]: Experiments have shown that acceleration is exactly inversely proportional to mass, just as it is exactly linearly proportional to the net external force.


[Q]: Calories are a measure of energy, and used to measure how much energy foods have.
[A]:
A calorie is used to express the amount of energy in food.