Rasa
Hybrid Chat contains Rasa 1.x and Rasa X out of the box. Rasa may be trained for NLU and suggest answers. It can also be programmed for back-office integrations, create message templates, and custom actions for Button and Carousel messages for different customer channels such as Facebook and Viber. For more on structured message support, see Rich Media Messaging.
Multiple Suggestions with Custom Rasa build
With Expertflow modified build of Rasa (Rasa custom), the bot sends multiple suggestions for each utterance. It identifies three best intents and attach 3 best suggestions for each intent along with the confidence score. See Bot Suggestions and Auto-response Settings for using this confidence level threshold.
With the standard Rasa deployment, the bot typically returns one action/response against each customer utterance/input.