(S (S (BASENP (PRP It)) (VP (VP (VP (VP (VBZ is) (RB not)) (ADVP (RB yet))) (ADJP (JJ clear))) (SBAR (IN whether) (S (BASENP (DT the) (NN man)) (VP (VBD was) (VP (VBG acting) (PP (PP (IN on) (BASENP (PRPD his) (JJ own))) (CC or) (PP (IN as) (NP (BASENP (NN part)) (PP (IN of) (BASENP (NN group)))))))))))) (PERIOD .))