(S (S (BASENP (DT The) (NN vaccine)) (VP (VP (VBZ does) (RB not)) (VP (VB contain) (NP (BASENP (DT the) (JJ remaining) (NN six) (NN HIV) (NNS genes)) (SBAR (WHNP (WDT that)) (S (VP (VBP cause) (S (BASENP (NN HIV)) (VP (TO to) (VP (VP (VP (VB infect) (BASENP (NNS cells))) (COMMA ,) (VP (VB replicate))) (CC and) (VP (VB cause) (BASENP (NN disease))))))))))))) (PERIOD .))