determine how well the schmaltz is manufactured -- to assess the quality of the manipulative engineering 
(ROOT (S (VP (VB determine) (SBAR (WHADVP (WRB how) (RB well)) (S (NP (DT the) (NN schmaltz)) (VP (VBZ is) (VP (VBN manufactured))))) (, --) (S (VP (TO to) (VP (VB assess) (NP (NP (DT the) (NN quality)) (PP (IN of) (NP (DT the) (JJ manipulative) (NN engineering))))))))))
(ROOT (S (VP (VB ) (SBAR (WHADVP (WRB ) (RB )) (S (NP (DT ) (NN )) (VP (VBZ ) (VP (VBN ))))) (, ) (S (VP (TO ) (VP (VB ) (NP (NP (DT ) (NN )) (PP (IN ) (NP (DT ) (JJ ) (NN ))))))))))