In this task you will be given a question and a passage. You need to determine if the answer to the question is contained in the passage. If the answer can be found in the passage you should output 'True'. If the answer cannot be found in the passage you should output 'False'.
Q: Passage: 'Scholars trace the origins of the modern Mexican holiday to indigenous observances dating back hundreds of years and to an Aztec festival dedicated to the goddess Mictecacihuatl. The holiday has spread throughout the world, being absorbed within other deep traditions for honoring the dead. It has become a national symbol and as such is taught (for educational purposes) in the nation's schools. Many families celebrate a traditional 'All Saints' Day' associated with the Catholic Church.'. Question: 'when did the day of the dead start'.
A:
True