The cow is blue. The cow is nice. The cow likes the mouse. The cow needs the mouse. The cow sees the dog. The cow sees the mouse. The dog likes the cow. The dog sees the cow. The mouse is cold. The mouse is nice. If someone sees the cow and the cow likes the mouse then the cow needs the mouse. If someone likes the mouse then they need the dog. If the mouse is cold and the mouse needs the cow then the mouse is nice. If someone sees the dog and they see the cow then the dog likes the mouse. If someone likes the dog then they see the cow. If someone needs the dog then they are blue.
The cow does not need the mouse.