A router may respond to an (address mask request).Logical formLearned from5 sentences. Everybody may keep (gas masks).Logical formLearned from5 sentences. Masks can be in supply.Logical formLearned from5 sentences. A supply can be constituted-of-or-filled-with surgical masks.Logical formLearned from5 sentences. Masks may pertain-to a fictitious-character.Logical formLearned from5 sentences. Masks can be constituted-of-or-filled-with gold.Logical formLearned from5 sentences. A mask can be fearful.Logical formLearned from5 sentences. A (dust mask) may pertain-to a person.Logical formLearned from5 sentences. Masks can be fierce.Logical formLearned from5 sentences. A mask may be attached to an (oxygen tank).Logical formLearned from5 sentences. Green masks can be makeshift.Logical formLearned from5 sentences. Masks can be on faces.Logical formLearned from5 sentences. Masks can be as a precaution.Logical formLearned from5 sentences. Surgical masks may order a shutdown of (gathering places).Logical formLearned from5 sentences. A city may hand_out surgical masks to passengers.Logical formLearned from5 sentences.