South Korean professional Go player Lee Sedol, right, puts a stone against Google's artificial intelligence program, AlphaGo, as Google DeepMind's lead programmer Aja Huang, left, sits during the match in Seoul on Wednesday.(Photo/Agencies)
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South Korean professional Go player Lee Sedol, right, puts a stone against Google's artificial intelligence program, AlphaGo, as Google DeepMind's lead programmer Aja Huang, left, sits during the match in Seoul on Wednesday.(Photo/Agencies)