A mask may pertain-to a betrayer.Logical formLearned from5 sentences. A face can be a mask of calm.Logical formLearned from5 sentences. Researcher may give a mix of masks to (volunteer observers).Logical formLearned from5 sentences. A mask can be interesting.Logical formLearned from5 sentences. A mask may pertain-to a religious-leader.Logical formLearned from5 sentences. A male may leave a mask.Logical formLearned from5 sentences. A mask may cover a mouth.Logical formLearned from5 sentences. A mask can be perpetual.Logical formLearned from5 sentences. A male may have a black mask.Logical formLearned from5 sentences. Some warriors may wear green masks with a look.Logical formLearned from5 sentences. Masks can be daily.Logical formLearned from5 sentences. A mask may resemble an one.Logical formLearned from5 sentences. A (snorkel mask) may pertain-to a person.Logical formLearned from5 sentences. A mask can be fearsome.Logical formLearned from5 sentences. A (ski mask) may be used in a criminal act.Logical formLearned from5 sentences.