The dog chases the tiger. The dog eats the tiger. The dog is green. The dog needs the tiger. The tiger chases the dog. The tiger eats the dog. The tiger is young. If something is young then it eats the dog. If something needs the tiger and it eats the dog then it does not chase the dog. If something eats the dog then the dog is green. If something is green then it chases the dog. If something is big and it needs the tiger then the tiger is big. If something chases the tiger and it does not chase the dog then the dog does not need the tiger.
The tiger is not big.