(S (S (BASENP (NNP Carol) (NNP James)) (VP (VP (VBD asked) (BASENP (NNP Gordon) (NNP Campbell))) (SBAR (WHNP (WDT what) (BASENP (DT the) (NN difference))) (S (VP (VBD was) (PP (IN between) (UCP (BASENP (DT this) (NN strike)) (CC and) (SBAR (IN that) (S (VP (VP (VP (VBN held) (PP (IN by) (NP (BASENP (DT the) (NNP Hospital) (NNP Union)) (PRN (LRB -LRB-) (BASENP (NNP HU)) (RRB -RRB-))))) (PP (IN in) (BASENP (NN 2004)))) (COLON -) (VP (ADVP (RB also)) (BASENP (DT an) (JJ illegal) (NN strike))))))))))))) (PERIOD .))