Bob is furry. Bob is green. Bob is round. Charlie is blue. Charlie is furry. Dave is big. Dave is cold. Dave is furry. Erin is cold. Erin is furry. Erin is green. Erin is round. All round, blue people are furry. If someone is big and cold then they are green. If someone is furry and green then they are red. If someone is furry then they are big. If someone is green and red then they are round. If Charlie is cold then Charlie is furry. Red, furry people are cold. If Charlie is big then Charlie is red. If someone is round and not cold then they are not red.
Dave is blue.