A (docking system) may fail.Logical formLearned from11 sentences. Athletes may fail.Logical formLearned from11 sentences. A (peace mission) to a world-city may fail.Logical formLearned from11 sentences. A computer may fail some times.Logical formLearned from11 sentences. Brakes may fail on an express train.Logical formLearned from11 sentences. Some proposal may fail.Logical formLearned from11 sentences. Raids may fail as a deterrent.Logical formLearned from11 sentences. (Government troops) may fail in an attempt.Logical formLearned from11 sentences. A culture may fail.Logical formLearned from11 sentences. A bombing may fail.Logical formLearned from11 sentences. A crackdown may fail.Logical formLearned from11 sentences. Films may fail.Logical formLearned from11 sentences. (Speed monitors) may fail on planes.Logical formLearned from11 sentences. Some times may be failed.Logical formLearned from11 sentences. A rally may fail.Logical formLearned from11 sentences.