The cow chases the dog. The cow chases the mouse. The cow is big. The cow is nice. The cow needs the mouse. The cow needs the rabbit. The cow sees the dog. The cow sees the mouse. The dog sees the rabbit. The mouse needs the dog. The mouse sees the cow. The rabbit chases the mouse. The rabbit is nice. The rabbit needs the cow. The rabbit sees the cow. If someone sees the mouse and the mouse chases the rabbit then they see the cow.
The dog does not see the cow.