An account can be valid.Logical formLearned from198 sentences. A choice can be valid.Logical formLearned from196 sentences. A signature can be valid.Logical formLearned from195 sentences. Tickets can be valid.Logical formLearned from195 sentences. A source can be valid.Logical formLearned from195 sentences. Criticisms can be valid.Logical formLearned from193 sentences. A use can be valid.Logical formLearned from193 sentences. A permit can be valid.Logical formLearned from193 sentences. A document can be valid.Logical formLearned from192 sentences. Addresses can be valid.Logical formLearned from191 sentences. Tickets can be valid.Logical formLearned from190 sentences. An (id card) can be valid.Logical formLearned from189 sentences. An assessment can be valid.Logical formLearned from184 sentences. An authorization can be valid.Logical formLearned from183 sentences. Research can be valid.Logical formLearned from182 sentences.