THEY ARE READY, returned Susan's voice in the back of his mind.
( THEY ( ( ARE ( ( READY , ) ( ( returned ( ( Susan 's ) voice ) ) ( in ( ( the back ) ( of ( his mind ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNP THEY)) (VP (VBP ARE) (NP (NP (NNP READY)) (, ,) (VP (VBN returned) (NP (NP (NNP Susan) (POS 's)) (NN voice)) (PP (IN in) (NP (NP (DT the) (NN back)) (PP (IN of) (NP (PRP$ his) (NN mind)))))))) (. .)))
He cringed when he imagined Susan's voice.
( He ( ( cringed ( when ( he ( imagined ( ( Susan 's ) voice ) ) ) ) ) . ) )
(ROOT (S (NP (PRP He)) (VP (VBD cringed) (SBAR (WHADVP (WRB when)) (S (NP (PRP he)) (VP (VBD imagined) (NP (NP (NNP Susan) (POS 's)) (NN voice)))))) (. .)))