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

Ex Input:
Sunlight is the ultimate source of most of the energy we use.

Ex Output:
Sunlight is the main source of energy for all of the organisms in most food chains.


Ex Input:
Backflow of blood in the heart is prevented by four valves made of flaps of connective tissue.

Ex Output:
Heart valves prevent the backflow of blood from happening in the heart.


Ex Input:
Fluorescence of a substance is seen when the molecule is exposed to a specific wavelength of light (excitation wavelength or spectrum) and the light it emits ( the emission wavelength or spectrum) is always of a higher wavelength.

Ex Output:

When exposed to ultraviolet, some substances, such as minerals, glow in characteristic visible wavelengths, in a process called fluorescence.


