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T. Training and W. Wce-classifier-using, U11:%x[-1,1] U12:%x[0,1] U13:%x[1,1] U14:%x[2,1] U15:%x[-2,1]/%x[-1,1] U20:%x[-2,1]/%x[-1,1]/%x[0,1] U21:%x[-1,1]/%x[0,1]/%x[1,1] U22:%x[0

B. Table, 2: The Wapiti's feature configuration file ?