There was nothing "clear" about it. Schiavo is essentially dead - has been for 13 years. Let her family move on.
Did you watch that video to the end? It takes Terri about 20 seconds to respond to the command -- common for brain injured patients.
But is indisputably clear that Terri was responding, and in spades!
If you refuse to admit the obvious then there's no point in my arguing with you.