The cat visits the mouse. The mouse visits the cat. The tiger chases the cat. If someone chases the tiger then they are nice. If someone visits the mouse then they need the cat. If someone does not need the tiger then the tiger visits the mouse. If someone chases the mouse and they are nice then the mouse needs the cat. If someone chases the tiger and they are not green then the tiger is blue. If someone needs the cat then they chase the tiger. If someone needs the mouse then they need the cat. If someone is cold then they chase the cat.
The mouse does not chase the cat.