An offense may fail.Logical formLearned from21 sentences. A parachute may fail.Logical formLearned from21 sentences. A magic may fail.Logical formLearned from21 sentences. A city may fail.Logical formLearned from21 sentences. Some tries may fail.Logical formLearned from21 sentences. A country may fail for a time.Logical formLearned from21 sentences. Governments may fail.Logical formLearned from21 sentences. A board may fail.Logical formLearned from21 sentences. A (brokerage firm) may fail.Logical formLearned from21 sentences. Some days of talks may fail.Logical formLearned from21 sentences. Lawyers may fail.Logical formLearned from21 sentences. Protests may fail.Logical formLearned from21 sentences. Talks may be failed.Logical formLearned from21 sentences. A female may fail a (blood test).Logical formLearned from21 sentences. A US-president may fail a (road sobriety test).Logical formLearned from21 sentences.