( ( ( A ( wide array ) ) ( of ( etiologic agents ) ) ) ( ( may ( ( ( be causative ) , ) ( including ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( HSV , ) CMV ) , ) syphilis ) , ) chancroid ) , ) gonorrhea ) , ) ( acid ( fast bacteria ) ) ) , ) ( other ( bacterial ( or ( fungal pathogens ) ) ) ) ) , ) and ) malignancies ) ) ) ) . ) )
(ROOT (S (NP (NP (DT A) (JJ wide) (NN array)) (PP (IN of) (NP (JJ etiologic) (NNS agents)))) (VP (MD may) (VP (VB be) (ADJP (JJ causative)) (, ,) (PP (VBG including) (NP (NP (NNP HSV)) (, ,) (NP (NNP CMV)) (, ,) (NP (NNS syphilis)) (, ,) (NP (NN chancroid)) (, ,) (NP (NN gonorrhea)) (, ,) (NP (JJ acid) (JJ fast) (NNS bacteria)) (, ,) (NP (JJ other) (JJ bacterial) (CC or) (JJ fungal) (NNS pathogens)) (, ,) (CC and) (NP (NNS malignancies)))))) (. .)))
A  wide array of etiologic agents may be causative, including HSV, CMV, syphilis, chancroid, gonorrhea, acid fast bacteria, other bacterial or fungal pathogens, and malignancies.
(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))))) (. .)))