Question: Is the Mona Lisa based on a real person?, Answer:Yes, Description of Mona Lisa: Painting by Leonardo da Vinci, Fact1: There are two main theories about the origin of the Mona Lisa., Fact2: The first is that a wealthy noblewoman, the wife of one of Leonardo's friends, sat as the model., Fact3: Another popular theory is that Leonardo painted her as a cross-gendered self portrait.
Step1: Who was the Mona Lisa painting based on?, Step2: Is #1 a real person?, Wikipedia page for step 1: Mona Lisa, Wikipedia page for step 2: Lisa del Giocondo, not_definitive_answer: False, incorrect_answer: False