Persons may travel around a country.Logical formLearned from28 sentences. Trucks may travel.Logical formLearned from28 sentences. A club may travel.Logical formLearned from28 sentences. A message may travel.Logical formLearned from28 sentences. A woman may travel with a male.Logical formLearned from28 sentences. A king may travel to a world-city.Logical formLearned from28 sentences. Air may travel.Logical formLearned from28 sentences. Teams may travel.Logical formLearned from28 sentences. (Sound waves) may travel.Logical formLearned from28 sentences. A man may travel to a country.Logical formLearned from28 sentences. (Weather satellites) may travel at an altitude.Logical formLearned from28 sentences. A military convoy may travel.Logical formLearned from28 sentences. A female may travel with a father.Logical formLearned from28 sentences. Millions may travel.Logical formLearned from28 sentences. Nationals may travel.Logical formLearned from28 sentences.