title: How can I get users to select multiple options as input within a facebook messenger chatbot?
body: <p>I am working on a form-fill bot, which takes takes user input in free text format, throws 3-4 relevant set of questions and give the relevant search results from the website.
  In this process, how can I collect information from users for questions where answers can be more than one.</p>
  
  <p>For Example: What are the list of languages you are fluent in?
  [] English [] French [] Hindi [] Urdu</p>
  
  <p>How can I fill more than one option? In conventional forms, we user checkboxes. But how to do it in FB messenger.</p>
  
  <p>Thanks in advance</p>