Fiona is blue. Fiona is cold. Fiona is furry. Fiona is quiet. Fiona is round. Harry is cold. Harry is not furry. Harry is green. Harry is quiet. Harry is round. All quiet, green things are round. Young things are blue. All furry things are blue. If something is round and not furry then it is green. Round things are young. If something is young and not blue then it is round.
Harry is green.