| defneed: rem: not necessarily played by biomaterial entities, also include material entity |
| •owl:Thing |
| •entity |
| •continuant |
| •dependent_continuant |
| •realizable_entity |
| •role |
| •investigation_object_role |
| •specimen_role |
| obi:is_role_that_can_only_be_played_by_biomaterial_entity ONLY biomaterial_entity |
| investigation_object_role |