Erin is blue. Erin is furry. Erin is green. Erin is nice. Erin is quiet. Erin is rough. Erin is round. If Erin is furry and Erin is rough then Erin is quiet. Quiet, green people are furry. If someone is green and nice then they are quiet. Blue people are round. Green people are rough. All round people are furry. If someone is furry and round then they are blue. Blue people are furry.
Erin is not blue.