Please select the arm or intervention descriptions that belong to the clinical trial below.
Title: Epidemiologic Study on Changing HIV Risks Among FSW-IDUs on the Mexico-US Border
Brief Summary: The investigators propose a highly efficient four-arm (factorial) trial to simultaneously test the efficacy of two behavioral interventions aimed at:

* increasing condom use in the context of ongoing drug use and
* decreasing needle and paraphernalia sharing

among female sex workers who also inject drugs in two Mexican-U.S. border cities: Tijuana and Ciudad Juarez.


Options:
A: Arm Label: 1; Type: EXPERIMENTAL; Interventions: Behavioral: Community Popular Opinion Leader (C-POL), Behavioral: HIV/STD educational materials | Arm Label: 2; Type: ACTIVE_COMPARATOR; Interventions: Behavioral: HIV/STD educational materials | Intervention Type: BEHAVIORAL; Name: Community Popular Opinion Leader (C-POL); Assigned to Arm(s): 1 | Intervention Type: BEHAVIORAL; Name: HIV/STD educational materials; Assigned to Arm(s): 1, 2
B: Arm Label: Group A; Type: PLACEBO_COMPARATOR; Interventions: Behavioral: Lecture-format presentation | Arm Label: Group B; Type: ACTIVE_COMPARATOR; Interventions: Behavioral: Interactive Injection Risk Intervention | Arm Label: Group C; Type: ACTIVE_COMPARATOR; Interventions: Behavioral: Interactive Sexual Risk Intervention | Arm Label: Group D; Type: EXPERIMENTAL; Interventions: Behavioral: Interactive injection and sexual risk intervention | Intervention Type: BEHAVIORAL; Name: Interactive injection and sexual risk intervention; Assigned to Arm(s): Group D | Intervention Type: BEHAVIORAL; Name: Interactive Sexual Risk Intervention; Assigned to Arm(s): Group C | Intervention Type: BEHAVIORAL; Name: Interactive Injection Risk Intervention; Assigned to Arm(s): Group B | Intervention Type: BEHAVIORAL; Name: Lecture-format presentation; Assigned to Arm(s): Group A
C: Intervention Type: BEHAVIORAL; Name: In-school Sexual Health Education; Assigned to Arm(s): N/A | Intervention Type: BEHAVIORAL; Name: Youth-friendly health services; Assigned to Arm(s): N/A | Intervention Type: BEHAVIORAL; Name: Youth condom promotion & distribution; Assigned to Arm(s): N/A | Intervention Type: BEHAVIORAL; Name: Community activities related to adolescent sexual health; Assigned to Arm(s): N/A
D: Arm Label: 1; Type: EXPERIMENTAL; Interventions: Drug: Atazanavir, Drug: Didanosine, Drug: Efavirenz, Drug: Emtricitabine/Tenofovir disoproxil fumarate, Drug: Lamivudine, Drug: Lopinavir/Ritonavir, Drug: Nevirapine, Drug: Stavudine, Drug: Tenofovir disoproxil fumarate, Drug: Zidovudine/Lamivudine | Arm Label: 2; Type: EXPERIMENTAL; Interventions: Drug: Atazanavir, Drug: Didanosine, Drug: Efavirenz, Drug: Emtricitabine/Tenofovir disoproxil fumarate, Drug: Lamivudine, Drug: Lopinavir/Ritonavir, Drug: Nevirapine, Drug: Stavudine, Drug: Tenofovir disoproxil fumarate, Drug: Zidovudine/Lamivudine | Intervention Type: DRUG; Name: Atazanavir; Assigned to Arm(s): 1, 2 | Intervention Type: DRUG; Name: Didanosine; Assigned to Arm(s): 1, 2 | Intervention Type: DRUG; Name: Efavirenz; Assigned to Arm(s): 1, 2 | Intervention Type: DRUG; Name: Emtricitabine/Tenofovir disoproxil fumarate; Assigned to Arm(s): 1, 2 | Intervention Type: DRUG; Name: Lamivudine; Assigned to Arm(s): 1, 2 | Intervention Type: DRUG; Name: Lopinavir/Ritonavir; Assigned to Arm(s): 1, 2 | Intervention Type: DRUG; Name: Nevirapine; Assigned to Arm(s): 1, 2 | Intervention Type: DRUG; Name: Stavudine; Assigned to Arm(s): 1, 2 | Intervention Type: DRUG; Name: Tenofovir disoproxil fumarate; Assigned to Arm(s): 1, 2 | Intervention Type: DRUG; Name: Zidovudine/Lamivudine; Assigned to Arm(s): 1, 2

Answer: B