You need to develop a chatbot for a website. The chatbot must answer users' questions based on the information in the following documents: - A product troublesh...

You need to develop a chatbot for a website. The chatbot must answer users' questions based on the information in the following documents:
- A product troubleshooting guide in a Microsoft Word document
- A frequently asked questions (FAQ) list on a webpage
Which service should you use to process the documents?

A. Azure Bot Service B. Language Understanding C. Text Analytics D. QnA Maker