a sobering and powerful documentary about the most severe kind of personal loss 
(ROOT (NP (NP (DT a) (ADJP (JJ sobering) (CC and) (JJ powerful)) (NN documentary)) (PP (IN about) (NP (NP (DT the) (ADJP (RBS most) (JJ severe)) (NN kind)) (PP (IN of) (NP (JJ personal) (NN loss)))))))
(ROOT (NP (NP (DT ) (ADJP (JJ ) (CC ) (JJ )) (NN )) (PP (IN ) (NP (NP (DT ) (ADJP (RBS ) (JJ )) (NN )) (PP (IN ) (NP (JJ ) (NN )))))))