| Mask | |
| appearance as argument number 1 |
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| No TPTP formula. May not be expressible in strict first order. | Mid-level-ontology.kif 5097-5099 | |
| No TPTP formula. May not be expressible in strict first order. | Mid-level-ontology.kif 5095-5095 | 子類 Mask and 對於 面對 的 covering |
| No TPTP formula. May not be expressible in strict first order. | Mid-level-ontology.kif 5094-5094 | 子類 Mask and Clothing |
| appearance as argument number 2 |
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| No TPTP formula. May not be expressible in strict first order. | Cars.kif 3513-3513 | 子類 呼吸器 and Mask |
| No TPTP formula. May not be expressible in strict first order. | Mid-level-ontology.kif 5096-5096 |
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