Bob is kind. Bob is nice. Bob is red. Bob is round. Bob is not smart. Bob is white. Charlie is not kind. Charlie is nice. Charlie is smart. Dave is nice. Dave is white. Erin is smart. Smart, kind things are not white. If Charlie is nice then Charlie is white. If something is red and white then it is nice. White, smart things are round. If something is not young and not round then it is kind. If something is smart and not nice then it is kind. If Dave is not kind and Dave is not red then Dave is smart. If something is young and not smart then it is not nice.
Charlie is young.