A character may wear a mask.Logical formLearned from6 sentences. Masks may undergo a production.Logical formLearned from6 sentences. A (face mask) may undergo a use.Logical formLearned from6 sentences. A mask may be worn over a nose.Logical formLearned from6 sentences. Performers may wear masks.Logical formLearned from6 sentences. A mask can be a size.Logical formLearned from6 sentences. A mask can be an one.Logical formLearned from6 sentences. (Gas masks) may be used.Logical formLearned from6 sentences. A person may look at a mask.Logical formLearned from6 sentences. A mask may be shown.Logical formLearned from6 sentences. A mask may pertain-to a criminal-organization.Logical formLearned from6 sentences. A mask may be lifted.Logical formLearned from6 sentences. An (address mask reply) can be gratuitous.Logical formLearned from6 sentences. A mask may apply to a net.Logical formLearned from6 sentences. (Address masks) can be invalid.Logical formLearned from6 sentences.