A sound may travel.Logical formLearned from70 sentences. Officials may travel with a US-president.Logical formLearned from70 sentences. A male may travel on foot.Logical formLearned from70 sentences. A male may travel a deal.Logical formLearned from69 sentences. A ship may travel.Logical formLearned from69 sentences. An official may travel with a US-president.Logical formLearned from69 sentences. Waves may travel.Logical formLearned from69 sentences. A male may travel from a world-city.Logical formLearned from69 sentences. A person may look at traveling around the world.Logical formLearned from68 sentences. A male may travel by bus.Logical formLearned from68 sentences. A male may travel with persons.Logical formLearned from68 sentences. A leader may travel to a country.Logical formLearned from68 sentences. A hand may travel.Logical formLearned from67 sentences. Officials may travel to a US-city.Logical formLearned from67 sentences. A band may travel to a country.Logical formLearned from66 sentences.