You are developing a conversational AI solution that will communicate with users through multiple channels including email, Microsoft Teams, and webchat. Which service should you use? 

Answer options:

A. Text Analytics
B. Azure Bot Service
C. Translator
D. Form Recognizer

B

Reference: https://docs.microsoft.com/en-us/azure/bot-service/bot-service-overview-introduction?view=azure-bot-service-4.0