def parse_twilio(payload: dict) -> dict:
    """Parses twilio_payload and returns answers.
    payload: {
        "twilio": {
            "messaging.whatsapp": {...},
            "collected_data": {...}
        }
    }

    RETURN: {"question1": "D",
             "question2": "A",
             ...
            }
    """
    try:
        answers = payload['twilio']['collected_data']['covid_19_questionary']['answers']
        return {q: answers[q]['answer'] for q in answers.keys()}
    except KeyError:
        return {}