Bob is furry. Charlie is furry. Charlie is quiet. Erin is quiet. Erin is red. Erin is round. Erin is smart. Smart things are red. If something is quiet then it is furry. All quiet things are smart. If something is red and furry then it is white. If Erin is white and Erin is quiet then Erin is smart. If Erin is furry and Erin is red then Erin is round.
Erin is white.