The bear is rough. The bear is young. The bear needs the dog. The bear sees the tiger. The bear visits the dog. The dog is cold. The dog needs the bear. The dog needs the tiger. The dog sees the tiger. The tiger is kind. The tiger is rough. The tiger is round. The tiger is young. The tiger visits the bear. The tiger visits the dog. If something needs the dog then it visits the tiger.
The bear does not visit the tiger.