Bob is blue. Bob is kind. Bob is rough. Charlie is not blue. Charlie is green. Charlie is not red. Dave is green. Dave is kind. Erin is cold. Erin is not green. Erin is kind. Erin is not red. If someone is not blue then they are cold. All cold people are quiet. If someone is kind and not green then they are rough. If Dave is cold and Dave is kind then Dave is rough. Kind people are quiet. If Erin is cold and Erin is red then Erin is rough.
Charlie is kind.