In this task, you're given an open-domain question. Your task is to provide an answer to the given question. There is only one unique answer for each question. Your answer should be short, and refer to an entity, date, number, etc. Do not put your answer in the context of a sentence.
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Question: Where does the tree of life come from?

Answer: many of the world's mythologies, religious and philosophical traditions


Question: What type of government did the constitution establish for the united states?

Answer: Constitutional presidential republic


Question: Who has more number one hits beyonce or rihanna?

Answer:
Rihanna