Thank you for your kind words, and I'm sorry to hear that you got stuck!
In the debate, you first have to click on your action (like Attack, Defend, Silence), and then on a character's face. Sometimes, there are multiple options, sometimes there is only one. I've adjusted this to be more intuitive in the next update, so I appreciate your patience.
Let me know if this solved your problem, or if you need any further help!