Masks can be feathered.Logical formLearned from23 sentences. A person may hide behind a mask.Logical formLearned from23 sentences. An image may pertain-to a mask.Logical formLearned from23 sentences. A mask may pertain-to a devil.Logical formLearned from23 sentences. A mask may pertain-to a killer.Logical formLearned from23 sentences. A version may pertain-to a mask.Logical formLearned from22 sentences. A value may pertain-to a mask.Logical formLearned from22 sentences. A female may have a mask.Logical formLearned from22 sentences. A person may use a mask.Logical formLearned from22 sentences. A mask may pertain-to a welder.Logical formLearned from22 sentences. Edges may pertain-to a mask.Logical formLearned from22 sentences. (Oxygen masks) may drop.Logical formLearned from22 sentences. A mask may be made.Logical formLearned from22 sentences. A face may be covered with a mask.Logical formLearned from22 sentences. Dancers may wear masks.Logical formLearned from22 sentences.