Question: Which is a genus of tree, Gymnocladus or Nautilocalyx?
Sentence (from "Australian green tree frog"): The Australian green tree frog, simply green tree frog in Australia, White's tree frog, or dumpy tree frog ("Litoria caerulea") is a species of tree frog native to Australia and New Guinea, with introduced populations in the United States and New Zealand, though the latter is believed to have died out.
Relevant evidence: No