TracPro questions are classified as either categorical or open-ended. Question type is determined by how the flow variable is set up on RapidPro.
To set up an open-ended question, do not change the default choices in the "If the message response..." section on RapidPro.
Your question will look like this on the flow editor:
Data for open-ended questions is displayed as a word cloud.
To set up a categorical question, define categories for your responses on RapidPro.
Your question will look like this on the flow editor:
Data for categorical questions is displayed as a pie chart.