Charlie is blue. Charlie is cold. Charlie is not nice. Charlie is rough. Charlie is round. Charlie is white. Dave is nice. Dave is not rough. Dave is white. Erin is cold. Erin is not nice. Erin is rough. Erin is young. Harry is blue. Harry is young. If Charlie is nice and Charlie is round then Charlie is white. If Dave is white and Dave is blue then Dave is not nice. If Erin is nice then Erin is young. All cold, round people are young. If Erin is white and Erin is cold then Erin is rough. If someone is white then they are round. If someone is cold and not young then they are not round. If someone is blue and not round then they are not rough.
Erin is nice.