A (ballot measure) may fail.Logical formLearned from13 sentences. A complaint may fail.Logical formLearned from13 sentences. A (drug policy) may fail.Logical formLearned from13 sentences. An engine may fail after some laps.Logical formLearned from13 sentences. A theorem may fail.Logical formLearned from13 sentences. A (backup system) may fail.Logical formLearned from13 sentences. Persons may fail in an area.Logical formLearned from13 sentences. A (heating system) may fail.Logical formLearned from13 sentences. (Pension plans) may fail.Logical formLearned from13 sentences. Health may fail a person.Logical formLearned from13 sentences. A driver may fail.Logical formLearned from13 sentences. A national-agency may fail.Logical formLearned from13 sentences. A lock may fail.Logical formLearned from13 sentences. A reasoning may fail.Logical formLearned from13 sentences. A step may fail.Logical formLearned from13 sentences.