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Term 1: Term 2:

(subclass RheumatoidArthritis AutoImmuneDisorder) Medicine.kif 2224-2224 RheumatoidArthritis 是 AutoImmuneDisorder 的 subclass
(subclass RheumatoidArthritis Arthritis) Medicine.kif 2225-2225 RheumatoidArthritis 是 Arthritis 的 subclass


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