(QTR (QTC (S (BASENP (EX There)) (VP (VP (VBZ 's) (ADVP (RB still))) (NP (BASENP (RB quite) (DT a) (NN bit)) (PP (IN of) (NP (BASENP (NN confusion)) (PP (IN about) (SBAR (WHNP (WDT which) (NN aircraft)) (S (BASENP (PRP it)) (VP (VBD was)))))))))) (PERIOD .)) (DQR ''))