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Term 1: Term 2:

(subclass TransitwayObstacle Object) Mid-level-ontology.kif 15250-15250
(subclass Dam TransitwayObstacle) Transportation.kif 3065-3065
(subclass CanalLockGate TransitwayObstacle) Transportation.kif 3071-3071
(subclass Door TransitwayObstacle) Mid-level-ontology.kif 15255-15255


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