A question can be valid.Logical formLearned from105 sentences. A list can be valid.Logical formLearned from104 sentences. An inference can be valid.Logical formLearned from104 sentences. A (driver license) can be valid.Logical formLearned from104 sentences. An e-mail can be valid.Logical formLearned from104 sentences. An (identification card) can be valid.Logical formLearned from103 sentences. Elections can be valid.Logical formLearned from102 sentences. A check can be valid.Logical formLearned from102 sentences. (Email addresses) can be valid.Logical formLearned from102 sentences. A theory can be valid.Logical formLearned from102 sentences. A copy can be valid.Logical formLearned from101 sentences. Drivers can be valid.Logical formLearned from101 sentences. An order can be valid.Logical formLearned from100 sentences. A (provider agreement) can be valid.Logical formLearned from100 sentences. Tickets can be valid.Logical formLearned from100 sentences.