Mr. Lee reasoned that Japanese would have originated with the Jomon if the root of the tree turned out to be very ancient, but with the Yayoiculture if recent.
李先生论证到，如果树形图的根很古老的话日本语则应该是起源于縄文文化，如果很近的话则应该是弥生文化。
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The computer's date of 2,182 years ago for the origin of the tree fits reasonably well with the archaeological dates for the Yayoiculture, he reported Tuesday in the Proceedings of the Royal Society.