The last 12 years of his life are a blank.
( ( ( The ( last ( 12 years ) ) ) ( of ( his life ) ) ) ( ( are ( a blank ) ) . ) )
(ROOT (S (NP (NP (DT The) (JJ last) (CD 12) (NNS years)) (PP (IN of) (NP (PRP$ his) (NN life)))) (VP (VBP are) (NP (DT a) (JJ blank))) (. .)))
He recalls every moment of the last 12 years in excruciating detail
( He ( ( recalls ( ( every moment ) ( of ( the ( last ( 12 years ) ) ) ) ) ) ( in ( excruciating detail ) ) ) )
(ROOT (S (NP (PRP He)) (VP (VBZ recalls) (NP (NP (DT every) (NN moment)) (PP (IN of) (NP (DT the) (JJ last) (CD 12) (NNS years)))) (PP (IN in) (S (VP (VBG excruciating) (NP (NN detail))))))))