What should you implement?

You are developing a speech-enabled home automation control bot.
The bot interprets some spoken words incorrectly.
You need to improve the spoken word recognition for the bot.
What should you implement?
A. The Skype for Business Channel and use scorable dialogs for improving conversation flow.
B. The Web Chat Channel and Speech priming using a Bing Speech Service and LUIS app.
C. The Skype Channel and use scorable dialogs for improving conversation flow.
D. The Cortana Channel and use scorable dialogs for improving conversation flow.