A mask can be with features.Logical formLearned from6 sentences. A mask can be hidden.Logical formLearned from6 sentences. An appearance may pertain-to a mask.Logical formLearned from6 sentences. Masks may pertain-to painters.Logical formLearned from6 sentences. Masks may pertain-to rain.Logical formLearned from6 sentences. A mask can be waxen.Logical formLearned from6 sentences. A mask can be dusky.Logical formLearned from6 sentences. A mask may pertain-to an opponent.Logical formLearned from6 sentences. Copies may pertain-to a mask.Logical formLearned from6 sentences. A mouth may pertain-to a mask.Logical formLearned from6 sentences. A surgical mask can be disposable.Logical formLearned from6 sentences. A mask can be high-tech.Logical formLearned from6 sentences. A mask may pertain-to a wraith.Logical formLearned from6 sentences. A laryngeal mask may undergo a use.Logical formLearned from6 sentences. Work can be with masks.Logical formLearned from6 sentences.