A political argument can be valid.Logical formLearned from3 sentences. A government can be valid.Logical formLearned from3 sentences. A (credit card information) can be valid.Logical formLearned from3 sentences. A workflow can be valid.Logical formLearned from3 sentences. A (captcha code) can be valid.Logical formLearned from3 sentences. A (gift certificate) can be valid.Logical formLearned from3 sentences. A law can be valid in a solar system.Logical formLearned from3 sentences. Market may signal valid.Logical formLearned from3 sentences. An ad can be valid.Logical formLearned from3 sentences. Work can be valid.Logical formLearned from3 sentences. A (business address) can be valid.Logical formLearned from3 sentences. A pointer can be valid.Logical formLearned from3 sentences. A cashier can be valid.Logical formLearned from3 sentences. Verbal contracts can be valid.Logical formLearned from3 sentences. A crux of an argument can be valid.Logical formLearned from3 sentences.