The cow is blue. The cow is green. The cow likes the dog. The cow likes the squirrel. The cow needs the dog. The cow does not need the squirrel. The dog is round. The dog needs the cow. The dog does not need the squirrel. The squirrel is blue. The squirrel is green. The squirrel is round. The squirrel likes the dog. The squirrel needs the cow. The squirrel needs the dog. The squirrel visits the dog. If something needs the dog then the dog is round. If something is blue then it visits the dog. If something needs the dog then the dog likes the cow. If something likes the cow and the cow visits the dog then it visits the cow. If something visits the cow then it is blue. If something visits the dog then it likes the squirrel. If something is cold and it does not like the cow then it does not need the dog. If something is green and it does not like the squirrel then it likes the dog.
The cow does not visit the dog.