Authentication may be failed.Logical formLearned from47 sentences. A free market may fail.Logical formLearned from47 sentences. Some percent may fail.Logical formLearned from47 sentences. A male may fail in attempts.Logical formLearned from47 sentences. Negotiation may fail.Logical formLearned from47 sentences. A link may fail.Logical formLearned from47 sentences. Powers may fail.Logical formLearned from46 sentences. Efforts may be failed.Logical formLearned from46 sentences. A person may fail in life.Logical formLearned from46 sentences. A person may fail by default.Logical formLearned from46 sentences. A (peace plan) may fail.Logical formLearned from46 sentences. A (computer system) may fail.Logical formLearned from46 sentences. Techniques may fail.Logical formLearned from46 sentences. Some students may fail.Logical formLearned from46 sentences. Strategies may fail.Logical formLearned from46 sentences.