| (subclass Holder Device) | Mid-level-ontology.kif 4314-4314 | Holder is a subclass of device |
| (subclass Saddle Holder) | Mid-level-ontology.kif 4322-4322 | Saddle is a subclass of holder |
| (subclass Tray Holder) | Mid-level-ontology.kif 4427-4427 | Tray is a subclass of holder |
| (subclass Dish Holder) | Mid-level-ontology.kif 4431-4431 | Dish is a subclass of holder |
| (subclass Container Holder) | Mid-level-ontology.kif 4444-4444 | Container is a subclass of holder |
| (subclass TrapOrCage Holder) | Mid-level-ontology.kif 4642-4642 | Trap or cage is a subclass of holder |
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