Fig. 2.

Examples of using the chatbot. (A) Both text and voice messages are supported. There will be instructions when using the chatbot for the first time. Users can select the options in the choice list by clicking the text or replying with relevant number or contents. (B) An example of CBT treatment. The chatbot will try to recognize, evaluate, and deal with negative emotions from the input text. (C) “Exploring depression” provides a question answering system on the topic of depression disorder.