Question: Unlike the episode "Today I Am a Clown", which has a religious theme, "The Simpsons"' episode "Alone Again, Natura-Diddily" demonstrates what theme?
{'answer': 'a spiritual theme', 'supporting_facts': [['Today I Am a Clown', 0], ['Today I Am a Clown', 2], ['Religion in The Simpsons', 2]]}