reel in when we should be playing out 
(ROOT (S (VP (VB reel) (PRT (RP in)) (SBAR (WHADVP (WRB when)) (S (NP (PRP we)) (VP (MD should) (VP (VB be) (VP (VBG playing) (ADVP (RP out))))))))))
(ROOT (S (VP (VB ) (PRT (RP )) (SBAR (WHADVP (WRB )) (S (NP (PRP )) (VP (MD ) (VP (VB ) (VP (VBG ) (ADVP (RP ))))))))))