A man can be in a (ski mask).Logical formLearned from11 sentences. Masks can be imported.Logical formLearned from11 sentences. A mask can be secret.Logical formLearned from11 sentences. Masks may undergo uses.Logical formLearned from11 sentences. A mask can be colored.Logical formLearned from11 sentences. Masks may drop.Logical formLearned from11 sentences. Persons may put on masks.Logical formLearned from11 sentences. A supply can be constituted-of-or-filled-with masks.Logical formLearned from11 sentences. An outside may pertain-to a mask.Logical formLearned from11 sentences. Persons may put_on masks.Logical formLearned from11 sentences. Persons can be in (gauze masks).Logical formLearned from11 sentences. An (oxygen mask) may cover a face.Logical formLearned from11 sentences. (Balaclava masks) can be black.Logical formLearned from11 sentences. A male may put_on a mask.Logical formLearned from11 sentences. Masks may pertain-to devils.Logical formLearned from11 sentences.