Empires may fail.Logical formLearned from7 sentences. Philosophy may fail.Logical formLearned from7 sentences. A person may fail a question.Logical formLearned from7 sentences. Implementation may fail.Logical formLearned from7 sentences. Step may fail.Logical formLearned from7 sentences. An engine may fail after take-off.Logical formLearned from7 sentences. Some actions may fail.Logical formLearned from7 sentences. A person may fail an assignment.Logical formLearned from7 sentences. A female may fail (dope test).Logical formLearned from7 sentences. A person may fail as a woman.Logical formLearned from7 sentences. Nerves may fail a person.Logical formLearned from7 sentences. A sister may fail.Logical formLearned from7 sentences. A person may fail a first year.Logical formLearned from7 sentences. A person may fail some attempts.Logical formLearned from7 sentences. Hell may fail.Logical formLearned from7 sentences.