Certification may undergo an issuance.Logical formLearned from18 sentences. A certification may ensure that something-is-the-case.Logical formLearned from18 sentences. A time may pertain-to a certification.Logical formLearned from18 sentences. A person may hold certification.Logical formLearned from18 sentences. Certification may occur.Logical formLearned from18 sentences. Systems may undergo a certification.Logical formLearned from18 sentences. Paragraph may pertain-to a certification.Logical formLearned from18 sentences. A (health condition) may undergo a certification.Logical formLearned from18 sentences. Certification may undergo determination.Logical formLearned from18 sentences. Certifications can be signed.Logical formLearned from18 sentences. A certification can be alien.Logical formLearned from18 sentences. A certification may undergo a renewal.Logical formLearned from18 sentences. A (labor certification program) can be permanent.Logical formLearned from18 sentences. Information can be on a (certification program).Logical formLearned from18 sentences. Certifications can be enough.Logical formLearned from18 sentences.