( ( ( do ( Living Things ) ) ( Need ( to Survive ) ) ) ? )
(ROOT (SQ (VBP do) (NP (JJ Living) (NNS Things)) (VP (VB Need) (S (VP (TO to) (VP (VB Survive))))) (. ?)))
do Living Things Need to Survive?
(ROOT (S (NP (DT A) (NN moose)) (VP (VBZ eats) (SBAR (S (NP (DT a) (NN plant)) (VP (VBZ is) (NP (NP (DT an) (NN example)) (PP (IN of) (NP (NP (DT a) (VBG living) (NN thing)) (SBAR (WHNP (WDT that)) (S (VP (VBZ depends) (PP (IN on) (NP (DT another) (VBG living) (NN thing) (S (VP (TO to) (VP (VB survive)))))))))))))))) (. .)))