Hard to say for sure. Mary and Martha could have elements of truth, but it's common for such stories to incorporate fictional aspects to create a more compelling narrative.
Mary and Martha is not based on a true story. It's a work of fiction that might draw inspiration from various elements but doesn't have a real-life counterpart.
Martha was Mary's sister. She was busy with the tasks of serving the guests, being hospitable. She was so occupied with the preparations that she became a bit resentful of Mary not helping her. However, Jesus used this situation to teach about the importance of spiritual priorities.
Mary and Martha are the main characters. They might be ordinary people who found themselves in extraordinary circumstances. Their actions and decisions would be what drives the story forward.
Well, without knowing the specific details of the 'mary and martha true story', it could be about the relationship between Mary and Martha. Maybe it shows their different personalities, like Mary being more contemplative and Martha more active in a domestic sense. It might also involve some sort of conflict or growth they experience together.