for people who make movies and watch them 
(ROOT (PP (IN for) (NP (NP (NNS people)) (SBAR (WHNP (WP who)) (S (VP (VP (VBP make) (NP (NNS movies))) (CC and) (VP (VBP watch) (NP (PRP them)))))))))
(ROOT (PP (IN ) (NP (NP (NNS )) (SBAR (WHNP (WP )) (S (VP (VP (VBP ) (NP (NNS ))) (CC ) (VP (VBP ) (NP (PRP )))))))))