Source Text: DEATH1.2Happy: He's going to get his license taken away if he keeps that up. I'm getting nervous about him, y'know, Biff?
Biff: His eyes are going.
Happy: No, I've driven with him. He sees all right. He just doesn't keep his mind on it. I drove into the city with him last week. He stops at a green light and then it turns red and he goes.
Biff: Maybe he's color-blind.