The cat chases the mouse. The lion chases the mouse. The mouse does not need the rabbit. The rabbit needs the cat. If someone chases the cat then the cat is red. If the cat sees the lion and the lion needs the cat then the lion needs the mouse. If the cat does not see the rabbit and the cat does not need the mouse then the rabbit chases the cat. If someone is red and they chase the cat then they chase the lion. If someone is nice then they are not green. If the lion does not chase the cat then the cat chases the rabbit.
The cat does not chase the lion.