The bear likes the tiger. The dog likes the bear. The tiger needs the bear. If something needs the tiger then it needs the bear. If something likes the tiger and the tiger needs the bear then it does not visit the tiger. If something visits the tiger then it does not need the dog. If something likes the tiger and it likes the dog then the dog is cold. If something needs the dog and it does not like the dog then the dog needs the tiger. If something is cold and it likes the bear then the bear likes the tiger. If the tiger is cold and the tiger is round then the tiger is big. If something is round and it does not like the bear then it does not visit the tiger.
The dog does not need the tiger.