An inference can be valid.Logical formLearned from29 sentences. Agreements can be valid.Logical formLearned from29 sentences. Certifications can be valid.Logical formLearned from29 sentences. Representation can be valid.Logical formLearned from29 sentences. Trust can be valid.Logical formLearned from29 sentences. A reflection can be valid.Logical formLearned from29 sentences. A judgment can be valid.Logical formLearned from29 sentences. A command can be valid.Logical formLearned from29 sentences. (Test scores) can be valid.Logical formLearned from29 sentences. A membership can be valid.Logical formLearned from29 sentences. An union of a woman can be valid.Logical formLearned from29 sentences. An (entry visa) can be valid.Logical formLearned from29 sentences. ..s can be valid.Logical formLearned from29 sentences. A (serial number) can be valid.Logical formLearned from29 sentences. A (student id card) can be valid.Logical formLearned from29 sentences.