(S (S (S (VP (VP (VBG Predicting) (BASENP (NN election) (NNS results))) (PP (IN before) (BASENP (JJ actual) (NNS returns))))) (VP (VBZ has) (VP (VP (VP (VBN been) (BASENP (DT a) (NN problem))) (ADVP (RB historically))) (COMMA ,) (PP (IN such) (PP (IN as) (SBAR (WHADVP (WRB when)) (S (S (BASENP (NNP Florida)) (VP (VBD was) (VP (VBN called) (PP (IN for) (BASENP (NNP Al) (NNP Gore)))))) (SBAR (IN before) (S (BASENP (PDT all) (DT the) (NNS votes)) (VP (VBD had) (VP (VBN been) (VP (VBN counted))))))))))))) (PERIOD .))