With no explanation, label text_A→text_B with either "DON'T KNOW", "NO" or "YES".
text_A: Most birds found in the Marshall Islands, with the except ion of those few introduced by man or sea birds, are migratory species. There are about 70 species of birds, including 31 seabirds. 15 of these species actually nest locally. Sea birds include the black noddy and the white tern. The only land bird is the house sparrow, introduced by humans.
text_B: If are on the Marshall Islands and see a bird that you know was brought by humans, is it likely a seabird or migratory?
DON'T KNOW.