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

[Q]: Hormones act on parts of the body by sending chemical signals through receptors on or inside cells.
[A]: Hormones send signals through your body.


[Q]: An amine denotes  an organic compound having a nitrogen atom singly or double bonded to a carbon atom and wherein the carbon atom bonded to the nitrogen atom is devoid of a double bond to oxygen, sulfur, selenium, or tellurium or triple bond to nitrogen.
[A]: Amines are classified according to the number of carbon atoms bonded directly to a(n) nitrogen atom.


[Q]: In general there are four major classes of compounds that comprise most biological materials.
[A]:
There are four classes of biochemical compounds.