A US-president may step to a forefront of an effort.Logical formLearned from14 sentences. A male may step for a male.Logical formLearned from14 sentences. A person may step into a country.Logical formLearned from14 sentences. A male may step to a stage.Logical formLearned from14 sentences. A male may step into a ring.Logical formLearned from14 sentences. A supreme-court may step into a dispute.Logical formLearned from14 sentences. Ladies may step.Logical formLearned from14 sentences. A male may step as chairman.Logical formLearned from14 sentences. Persons may step over a line.Logical formLearned from14 sentences. A male may step foot on campus.Logical formLearned from14 sentences. Classmates may step from trains.Logical formLearned from14 sentences. A central bank may step.Logical formLearned from14 sentences. A person may step through a gate.Logical formLearned from14 sentences. Children may step on a mine.Logical formLearned from14 sentences. Persons may step on ice.Logical formLearned from14 sentences.