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

Example Input: Blood comes into the right atrium from the body, goes to the right ventricle, then into the pulmonary artery which carries the blood to the lungs to be oxygenated.
Example Output: Blood from the body enters right atrium of the heart before it is pumped to the right ventricle and then to the lungs.

Example Input: A caldera is formed when magma flows out of a volcano, leaving an empty chamber that collapses.
Example Output: After a massive eruption, a mountain collapsing above an empty chamber will create a caldera.

Example Input: Cell membrane functions as a barrier to the movement of substances between the intracellular and extracellular spaces 3.
Example Output:
A cell's membrane provides a barrier to keep extracellular materials from mixing with its internal components.

