understands how to create and sustain a mood 
(ROOT (S (VP (VBZ understands) (SBAR (WHADVP (WRB how)) (S (VP (TO to) (VP (VB create) (CC and) (VB sustain) (NP (DT a) (NN mood)))))))))
(ROOT (S (VP (VBZ ) (SBAR (WHADVP (WRB )) (S (VP (TO ) (VP (VB ) (CC ) (VB ) (NP (DT ) (NN )))))))))