(subclass GamePiece GameArtifact) | Mid-level-ontology.kif 17000-17000 | |
(subclass RugbyBall GamePiece) | Sports.kif 324-324 | |
(subclass Football GamePiece) | Sports.kif 344-344 | |
(subclass GameDie GamePiece) | Mid-level-ontology.kif 17004-17004 | |
(subclass Ball GamePiece) | Mid-level-ontology.kif 17008-17008 |