( ( As ( Rosenfeld ( ( ( put it ) , ) ( at ( ( the heart ) ( of ( human functioning ) ) ) ) ) ) ) ( ( lies ( ( ( primitive forms ) ( of anxiety ) ) ( which ( arise ( from ( `` ( ( ( ( the operation ) ( of ( ( the ( death instinct ) ) ( within ( ( ( the organism ) , ) ( which ( is ( experienced ( as ( fear ( of annihilation ) ) ) ) ) ) ) ) ) ) ) '' ) ( -LRB- ( ( ( 1971 , ) ( p. 171 ) ) -RRB- ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (SBAR (IN As) (S (NP (NNP Rosenfeld)) (VP (VBD put) (NP (PRP it)) (, ,) (PP (IN at) (NP (NP (DT the) (NN heart)) (PP (IN of) (NP (JJ human) (NN functioning)))))))) (VP (VBZ lies) (NP (NP (JJ primitive) (NNS forms)) (PP (IN of) (NP (NN anxiety))) (SBAR (WHNP (WDT which)) (S (VP (VBP arise) (PP (IN from) (NP (`` ``) (NP (NP (DT the) (NN operation)) (PP (IN of) (NP (NP (DT the) (NN death) (NN instinct)) (PP (IN within) (NP (NP (DT the) (NN organism)) (, ,) (SBAR (WHNP (WDT which)) (S (VP (VBZ is) (VP (VBN experienced) (PP (IN as) (NP (NP (NN fear)) (PP (IN of) (NP (NN annihilation)))))))))))))) ('' '') (PRN (-LRB- -LRB-) (NP (NP (CD 1971)) (, ,) (NP (NN p.) (NNS 171))) (-RRB- -RRB-))))))))) (. .)))
As Rosenfeld put it, at the heart of human functioning lies primitive forms of anxiety which arise from &quot;the operation of the death instinct within the organism, which is experienced as fear of annihilation&quot; (1971, p.171).
(ROOT (S (PP (IN In) (NP (NNS humans))) (, ,) (NP (DT the) (NN heart)) (VP (VBZ is) (NP (DT the) (JJ first) (NN organ) (S (VP (TO to) (VP (VP (VB form)) (CC and) (VP (VB become) (ADJP (JJ functional)))))))) (. .)))