Bob is nice. Bob is round. Erin is blue. Erin is round. Fiona is green. Fiona is nice. Fiona is round. Fiona is young. Gary is nice. Gary is round. Young, round people are rough. All quiet, round people are rough. All quiet, green people are blue. Rough, nice people are blue. If Erin is young then Erin is nice. If Gary is nice and Gary is blue then Gary is green. Round, quiet people are green. If someone is round then they are young. All green people are quiet.
Gary is green.