Question: Between Podophyllum and Tansy, which plant is also known as common tansy?
{'answer': 'Tansy', 'supporting_facts': [['Podophyllum', 0], ['Podophyllum', 1], ['Podophyllum', 2], ['Podophyllum', 3], ['Tansy', 0], ['Tansy', 1], ['Tansy', 2]]}