The cow sees the dog. The dog chases the cow. The tiger chases the dog. The tiger needs the cow. The tiger does not need the dog. The tiger sees the cow. The tiger sees the dog. If the cow is not big then the cow is not green. If something chases the tiger and the tiger is green then it is blue. If something is blue then it is not green. If something sees the dog then the dog is blue. If the dog is nice then the dog does not need the cow. If something sees the dog then it sees the tiger.
The dog is not green.