Problem: Given the question: Combine facts and answer this: Does Ixora or Mesquite have more species?
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The answer is:
Ixora

Problem: Given the question: Combine facts and answer this: An american engineer born February 14, 1859 observed a wheel as a student located where?
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The answer is:
Troy, New York.

Problem: Given the question: Combine facts and answer this: Who was the emperor while Prince Sanjo Sanetomi was an Imperial court noble?
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The answer is:
Emperor Meiji