boredom to the point of collapse , 
(ROOT (NP (NP (NN boredom)) (PP (IN to) (NP (NP (DT the) (NN point)) (PP (IN of) (NP (NN collapse))))) (, ,)))
(ROOT (NP (NP (NN )) (PP (IN ) (NP (NP (DT ) (NN )) (PP (IN ) (NP (NN ))))) (, )))