> Either Koko could communicate complex thoughts, or she was just spamming nonsense and the trainers are deceiving us. That's the binary part. That's a false d

> Either Koko could communicate complex thoughts, or she was just spamming nonsense and the trainers are deceiving us. That's the binary part. That's a false dilemma. "Either Koko could communicate complex thoughts, or she could not." That is a binary choice. And even that is contingent on precise definitions of complex, communicate and thought.