Charlie is not smart. Charlie is white. Erin is cold. Erin is furry. Erin is green. Erin is smart. Fiona is cold. Fiona is furry. Fiona is smart. Gary is not green. Gary is red. Gary is white. If Fiona is not smart then Fiona is blue. If someone is blue and not white then they are furry. Blue, green people are furry. If someone is smart and not cold then they are green. If Charlie is furry then Charlie is red. Cold, red people are furry. If Erin is red then Erin is furry. If someone is not smart and not green then they are red.
Charlie is red.