( There ( ( was ( ( ( ( no association ) ( between ( HIV infection ) ) ) and ) ( ( ( ( ( ( ( ( ( ( bacterial vaginosis ) , ) ( trichomonas vaginitis ) ) , ) syphilis ) , ) chlamydia ) , ) or ) gonorrhea ) ) ) . ) )
(ROOT (S (NP (EX There)) (VP (VBD was) (NP (NP (NP (DT no) (NN association)) (PP (IN between) (NP (NN HIV) (NN infection)))) (CC and) (NP (NP (JJ bacterial) (NNS vaginosis)) (, ,) (NP (JJ trichomonas) (NNS vaginitis)) (, ,) (NP (NNS syphilis)) (, ,) (NP (NN chlamydia)) (, ,) (CC or) (NP (NN gonorrhea))))) (. .)))
There was no association between HIV infection and bacterial vaginosis, trichomonas vaginitis, syphilis, chlamydia, or gonorrhea.
(ROOT (S (NP (NNP Chlamydia) (, ,) (NNP gonorrhea) (, ,) (CC and) (NNP syphilis)) (VP (VBP are) (NP (NP (NNS examples)) (PP (IN of) (NP (JJ bacterial) (NNS stis))))) (. .)))