thoroughly enjoyed themselves and believed in their small-budget film 
(ROOT (S (ADVP (RB thoroughly)) (VP (VP (VBD enjoyed) (NP (PRP themselves))) (CC and) (VP (VBD believed) (PP (IN in) (NP (PRP$ their) (NML (JJ small) (HYPH -) (NN budget)) (NN film)))))))
(ROOT (S (ADVP (RB )) (VP (VP (VBD ) (NP (PRP ))) (CC ) (VP (VBD ) (PP (IN ) (NP (PRP$ ) (NML (JJ ) (HYPH ) (NN )) (NN )))))))