The cow is not nice. The cow is red. The cow likes the tiger. The cow needs the mouse. The cow needs the tiger. The cow visits the mouse. The cow visits the tiger. The mouse is green. The mouse is red. The mouse needs the cow. The mouse needs the tiger. The mouse visits the tiger. The tiger does not like the mouse. The tiger needs the mouse. The tiger visits the mouse. If something likes the tiger and it is not green then it visits the tiger. If the mouse visits the tiger and the mouse does not like the cow then the mouse does not visit the cow.
The mouse does not need the tiger.