( Bell ( ( was ( in ( ( the process ) ( of ( ( ( producing and ) acquiring ) ( chemical ( and ( biological agents ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNP Bell)) (VP (VBD was) (PP (IN in) (NP (NP (DT the) (NN process)) (PP (IN of) (S (VP (VBG producing) (CC and) (VBG acquiring) (NP (JJ chemical) (CC and) (JJ biological) (NNS agents)))))))) (. .)))
Bell was in the process of producing and acquiring chemical and biological agents.
(ROOT (S (NP (NP (NNP Exposure)) (PP (TO to) (NP (JJ chemical) (CC or) (JJ biological) (NNS agents)))) (VP (MD can) (VP (VB cause) (NP (DT an) (VBN acquired) (NN immunodeficiency)) (ADVP (RB later)) (PP (IN in) (NP (NN life))))) (. .)))