Trains may fail.Logical formLearned from11 sentences. A person may fail trust.Logical formLearned from11 sentences. A dozen of attempts may fail in years.Logical formLearned from11 sentences. A policy may be failed.Logical formLearned from11 sentences. A (launch attempt) may fail.Logical formLearned from11 sentences. Efforts may fail in part.Logical formLearned from11 sentences. Trials may fail.Logical formLearned from11 sentences. A manoeuvre may fail.Logical formLearned from11 sentences. An attempt may fail on a month.Logical formLearned from11 sentences. A marriage to a female may fail.Logical formLearned from11 sentences. A medication may fail.Logical formLearned from11 sentences. A revolt may fail.Logical formLearned from11 sentences. Some leaders may fail.Logical formLearned from11 sentences. Calls may fail.Logical formLearned from11 sentences. Generals may fail.Logical formLearned from11 sentences.