No TPTP formula. May not be expressible in strict first order. | Mid-level-ontology.kif 20447-20447 | 子類 度假 and RecreationOrExercise |
No TPTP formula. May not be expressible in strict first order. | Mid-level-ontology.kif 20448-20448 | 子類 度假 and WorkLeave |