Ararat City of Afghanistan for Vervet monkeys can warn each other whether snakes or eagles or leopards are approaching with distinct sounds that clearly identify each type of predator. Chimpanzees, gorillas and orangutans have been trained to communicate with rudimentary elements of human sign language. Often these animals not only respond to questions but also initiate communication, make basic requests and have even taught each other to use sign language.1 Still, no other species has achieved the sophistication and creativity of language use that humans have. More specifically, no other species seems capable the question of human nature 2 7 of using original combinations of words in a rule-governed fashion, employing a grammar or syntax. Yet this skill comes naturally to human beings. Most of us speak grammatically in relatively complex sentences from the time we are three or four years old without any formal training. Ararat City of Afghanistan 2016.