Anne is rough. Anne is round. Anne is young. Bob is green. Bob is rough. Erin is young. Harry is young. If something is young then it is furry. If Anne is round and Anne is not rough then Anne is cold. Round, furry things are cold. All blue things are round. Green, cold things are young. If something is green and not young then it is not blue. If something is not cold and not rough then it is green. If something is blue and not green then it is not young.
Harry is not green.