Charlie is not furry. Charlie is not green. Charlie is kind. Charlie is quiet. Charlie is red. Charlie is round. Erin is furry. Erin is kind. Erin is not red. Erin is not round. Furry, kind things are blue. Quiet, green things are not kind. Kind, blue things are green. If Erin is round then Erin is green. If something is not kind and not blue then it is furry. If something is not green then it is red.
Erin is round.