if it belongs on the big screen 
(ROOT (SBAR (IN if) (S (NP (PRP it)) (VP (VBZ belongs) (PP (IN on) (NP (DT the) (JJ big) (NN screen)))))))
(ROOT (SBAR (IN ) (S (NP (PRP )) (VP (VBZ ) (PP (IN ) (NP (DT ) (JJ ) (NN )))))))