Charlie is green. Charlie is nice. Charlie is quiet. Charlie is red. Charlie is round. Charlie is young. Erin is furry. Erin is quiet. Erin is not red. Erin is young. Fiona is round. Gary is furry. Gary is nice. Gary is quiet. Gary is young. Furry, quiet things are not green. If Gary is round and Gary is furry then Gary is young. Green, furry things are not quiet. If Charlie is green then Charlie is young. All nice, furry things are not green. If Fiona is furry then Fiona is green. If something is not young then it is furry. If something is round and not furry then it is nice.
Gary is not green.