do we really need the tiger beat version ? 
(ROOT (SQ (VBP do) (NP (PRP we)) (ADVP (RB really)) (VP (VB need) (NP (DT the) (NN tiger) (NN beat) (NN version))) (. ?)))
(ROOT (SQ (VBP ) (NP (PRP )) (ADVP (RB )) (VP (VB ) (NP (DT ) (NN ) (NN ) (NN ))) (. )))