(S (S (NP (BASENP (DT This) (JJ unusual) (NN hurricane) (NN season)) (PRN (COMMA ,) (NP (BASENP (NN one)) (PP (IN of) (NP (BASENP (DT the) (ADJP (RBS most) (JJ active))) (PP (IN in) (BASENP (NN history)))))) (COMMA ,))) (VP (VBZ has) (VP (VBN produced) (BASENP (DT another) (JJ strange) (NN storm))))) (PERIOD .))