A certificate may pertain-to a user.Logical formLearned from69 sentences. A person may receive a (gift certificate).Logical formLearned from69 sentences. A (birth certificate) may pertain-to a baby.Logical formLearned from69 sentences. A person may win a (gift certificate).Logical formLearned from68 sentences. A (birth certificate) may pertain-to a father.Logical formLearned from68 sentences. A certificate can be a program.Logical formLearned from67 sentences. A certificate may pertain-to a teacher.Logical formLearned from67 sentences. Certificates can be short-term.Logical formLearned from67 sentences. Certificates can be forged.Logical formLearned from67 sentences. A (certificate authority) can be trusted.Logical formLearned from67 sentences. A (birth certificate) may be filed in a us-state.Logical formLearned from67 sentences. A bj8 may come with a certificate.Logical formLearned from67 sentences. A certificate may pertain-to a world-city.Logical formLearned from66 sentences. Certificates can be personal.Logical formLearned from66 sentences. Prizes may include (gift certificates).Logical formLearned from66 sentences.