He notified his supervisor, who passed the notice up the chain of command.
( He ( ( notified ( ( ( his supervisor ) , ) ( who ( ( passed ( the notice ) ) ( up ( ( the chain ) ( of command ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (PRP He)) (VP (VBD notified) (NP (NP (PRP$ his) (NN supervisor)) (, ,) (SBAR (WHNP (WP who)) (S (VP (VBD passed) (NP (DT the) (NN notice)) (PP (IN up) (NP (NP (DT the) (NN chain)) (PP (IN of) (NP (NN command)))))))))) (. .)))
The notice was completely ignored by the supervisor and never reached chain of command.
( ( The notice ) ( ( ( was completely ) ( ( ( ( ignored ( by ( the supervisor ) ) ) and ) never ) ( reached ( chain ( of command ) ) ) ) ) . ) )
(ROOT (S (NP (DT The) (NN notice)) (VP (VBD was) (ADVP (RB completely)) (VP (VP (VBN ignored) (PP (IN by) (NP (DT the) (NN supervisor)))) (CC and) (ADVP (RB never)) (VP (VBN reached) (NP (NP (NN chain)) (PP (IN of) (NP (NN command))))))) (. .)))