Mirage.

Story
A robot is collecting water by himself to live. Without the help of water, he cannot live.
Then he finds a room where there is a strange tank filled with water.
He tries to fill his tank with water however after that he finds a fish which is almost dying. Seeing that he puts the fish into his own tank and then the two of them were saved.

Message
Telling us the important of sharing something with others and at the same time letting us know that we are all living while sacrificing something in order to live.