(S (S (NP (BASENP (DT The) (NN combination)) (PP (IN of) (NP (CC both) (NP (BASENP (JJ high) (NNS winds)) (CC and) (BASENP (NNS temperatures)))))) (COMMA ,) (VP (VP (VBD broke) (BASENP (DT the) (JJ thick) (NN ice))) (PP (IN into) (NP (BASENP (NNS dozens)) (PP (IN of) (BASENP (JJ large) (NNS pieces))))))) (PERIOD .))