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Term 1: Term 2:

(subclass DisplayArtifact Artifact) Mid-level-ontology.kif 3892-3892 Display artifact is a subclass of artifact
(subclass Sign DisplayArtifact) Mid-level-ontology.kif 14757-14757 Sign is a subclass of display artifact
(subclass Whiteboard DisplayArtifact) Mid-level-ontology.kif 23606-23606 Whiteboard is a subclass of display artifact
(subclass Blackboard DisplayArtifact) Media.kif 1091-1091 Blackboard is a subclass of display artifact
(subclass Poster DisplayArtifact) Media.kif 1106-1106 Poster is a subclass of display artifact


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