(S (S (BASENP (DT Every) (NN year)) (S (NP (BASENP (NN dozens)) (PP (IN of) (BASENP (NNS people)))) (VP (VP (VBP sustain) (BASENP (NNS injuries))) (PP (JJ due) (PP (TO to) (NP (BASENP (JJ careless) (NN handling)) (PP (IN of) (BASENP (NNS fireworks) (CC or) (NNS fires))))))))) (PERIOD .))