( ( ( immune responses ) ( to ( human ( immunodeficiency virus ) ) ) ) ; )
(ROOT (NP (NP (JJ immune) (NNS responses)) (PP (TO to) (NP (JJ human) (JJ immunodeficiency) (NN virus))) (: ;)))
immune responses to human immunodeficiency virus;
(ROOT (S (NP (DT The) (NN term)) (ADVP (RB immunodeficiency)) (VP (VBZ means) (NP (NP (DT a) (NN failure) (, ,) (NN insufficiency) (, ,) (CC or) (NN delay)) (PP (IN in) (NP (NP (DT the) (NN response)) (PP (IN of) (NP (NP (DT the) (JJ immune) (NN system)) (, ,) (SBAR (WHNP (WDT which)) (S (VP (MD may) (VP (VB be) (VP (VBN acquired) (CC or) (VBN inherited)))))))))))) (. .)))