Peter Is a Retired Neuroscientist Who Has Painted as a Hobby

Peter is a retired neuroscientist who has painted as a hobby his whole life. He likes to think that he has implemented his science in his art and that he scientifically produces the best paintings possible. He also firmly believes that colours can drastically influence one's mood and behaviour. Now that he has retired, he hosts wine and painting nights at his house and he invites friends over to teach them a bit about painting.
-Peter's friend Paula tells him that she knows more about the trichromatic theory of colour vision than he does.She gives him four arguments supporting the trichromatic theory.Peter tells her that one of her arguments is wrong.Which of the following is NOT correct

A) The trichromatic theory explains the afterimage phenomenon very well.
B) The trichromatic theory accounts for colour blindness.
C) Colour TVs and screen monitors operate on principles of the trichromatic theory.
D) Trichromatic theory demonstrates that any colour is a mix of three primary colours.