A signature may be considered valid.Logical formLearned from4 sentences. A bug can be valid.Logical formLearned from4 sentences. An employee can be valid.Logical formLearned from4 sentences. (Customer accounts) can be valid.Logical formLearned from4 sentences. Weddings can be valid.Logical formLearned from4 sentences. A competition can be valid.Logical formLearned from4 sentences. Sales can be valid.Logical formLearned from4 sentences. Deadbuyers can be valid.Logical formLearned from4 sentences. A (theme park admission) can be valid.Logical formLearned from4 sentences. A deity can be valid.Logical formLearned from4 sentences. Art can be valid.Logical formLearned from4 sentences. A hermeneutic can be valid.Logical formLearned from4 sentences. Some visa can be valid.Logical formLearned from4 sentences. A (trail pass) can be valid.Logical formLearned from4 sentences. An (income tax return) can be valid.Logical formLearned from4 sentences.