The dog is nice. The dog needs the mouse. The lion is cold. The lion is nice. The lion is round. The lion likes the dog. The mouse chases the dog. The mouse chases the lion. The mouse is nice. The mouse is round. The mouse needs the dog. The mouse needs the lion. If something likes the mouse and it does not chase the mouse then the mouse likes the lion. If something is round then it needs the dog. If something likes the lion and it does not chase the mouse then it chases the dog.
The dog needs the mouse.