Persons may be certified.Logical formLearned from136 sentences. A company may be certified.Logical formLearned from119 sentences. First aid may be certified.Logical formLearned from118 sentences. An industry-association of a country may be certified.Logical formLearned from108 sentences. A secretary of state may be certified.Logical formLearned from99 sentences. Board may be certified.Logical formLearned from97 sentences. An election may be certified.Logical formLearned from93 sentences. A special-commission may certify that something-is-the-case.Logical formLearned from93 sentences. A statement may certify that something-is-the-case.Logical formLearned from92 sentences. A secretary may certify that something-is-the-case.Logical formLearned from89 sentences. A carpet may certify that something-is-the-case.Logical formLearned from84 sentences. Smog may be certified.Logical formLearned from78 sentences. An administration may certify that something-is-the-case.Logical formLearned from73 sentences. A president may be certified.Logical formLearned from70 sentences. (Election results) may be certified.Logical formLearned from70 sentences.