Survey service: determining the capitals of countries

It is necessary to implement a service for conducting surveys. The user sees a title, description, and a list of questions with answer options via the provided link. For each question, a single option is selected; correctness of the answer is not important. Data models should be designed to store such information.

Example questions and answers:

What is the capital of Germany? Berlin * Hamburg MunichCologne

What is the capital of Thailand? Nonthaburi Phetchaburi Bangkok Chiang Mai