(subclass BoardOrBlock Artifact) | Mid-level-ontology.kif 4741-4741 | BoardOrBlock est une sous-classe de artefact |
(subclass WaterBoard BoardOrBlock) | Sports.kif 1265-1265 | WaterBoard est une sous-classe de BoardOrBlock |
(subclass Brick BoardOrBlock) | Mid-level-ontology.kif 4750-4750 | Brick est une sous-classe de BoardOrBlock |