(S (S (S (BASENP (DT The) (NNP ICRC) (NNS representatives)) (VP (ADVP (RB never)) (VP (VP (VBD observed) (BASENP (DT any) (JJ such) (NNS incidents))) (BASENP (PRP themselves))))) (COMMA ,) (ADVP (RB however))) (PERIOD .))