A bus may travel on a highway.Logical formLearned from25 sentences. A person may travel to an airport.Logical formLearned from25 sentences. A person may travel on a passport.Logical formLearned from25 sentences. A male may travel in a vehicle.Logical formLearned from25 sentences. Some men may travel to a world-city.Logical formLearned from25 sentences. Citizens may travel to countries.Logical formLearned from24 sentences. A ball may travel some yards.Logical formLearned from24 sentences. A male may travel in the world.Logical formLearned from24 sentences. Faculty may travel.Logical formLearned from24 sentences. Students may travel to a country.Logical formLearned from24 sentences. Women may travel.Logical formLearned from24 sentences. A person may travel to some states.Logical formLearned from24 sentences. A person may travel with friends.Logical formLearned from24 sentences. A male may travel some days.Logical formLearned from24 sentences. Folks may travel.Logical formLearned from24 sentences.