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And you know, you could also look, and you can explore this yourself a little bit too, is dolphins and whales. For a very long time, scientists were convinced that dolphins and whales must be communicating somehow. And for a long time as well, they thought some of the squeaks and chirps and et cetera, et cetera, was not really any kind of communication. It was just some very basic, almost sort of guttural type of communication. They know different now. They know different now that whales, dolphins, they do communicate, they do have a language, but we still don't understand much about how they're communicating, but they most definitely know that they are communicating and they're using some form of language.