if you go in knowing that , you might have fun in this cinematic sandbox 
(ROOT (S (SBAR (IN if) (S (NP (PRP you)) (VP (VBP go) (PRT (IN in)) (S (VP (VBG knowing) (NP (DT that))))))) (, ,) (NP (PRP you)) (VP (MD might) (VP (VB have) (NP (NN fun)) (PP (IN in) (NP (DT this) (JJ cinematic) (NN sandbox)))))))
(ROOT (S (SBAR (IN ) (S (NP (PRP )) (VP (VBP ) (PRT (IN )) (S (VP (VBG ) (NP (DT ))))))) (, ) (NP (PRP )) (VP (MD ) (VP (VB ) (NP (NN )) (PP (IN ) (NP (DT ) (JJ ) (NN )))))))