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

Ex Input:
The Sun's gravity is what keeps the planets in orbit.

Ex Output:
Gravity is responsible for the orbits of the planets around the sun.

Ex Input:
Normal cells and cancer cells go through the same division cycle, but the controls that regulate the process in normal cells are absent in cancer cells.

Ex Output:
All cells undergo cell division during a lifetime, but when this process is out of control, cancer results.

Ex Input:
Jet stream (atmosphere) Jet stream is a band of fast-moving air currents that occur at high altitudes.

Ex Output:
Jet streams are fast moving rivers of air that are going in opposite directions called.