A male may travel on a plane.Logical formLearned from18 sentences. Passengers may travel on flights.Logical formLearned from18 sentences. A truck may travel in a direction.Logical formLearned from18 sentences. A probe may travel.Logical formLearned from17 sentences. Reporters may travel with a prime minister.Logical formLearned from17 sentences. A bus may travel through a neighborhood.Logical formLearned from17 sentences. Oil may travel.Logical formLearned from17 sentences. A male may travel by rail.Logical formLearned from17 sentences. A plane may travel.Logical formLearned from17 sentences. A female may travel with a friend.Logical formLearned from17 sentences. A male may travel with a band.Logical formLearned from17 sentences. A female may travel to a house.Logical formLearned from17 sentences. Vehicles may travel on a road.Logical formLearned from17 sentences. An object may travel.Logical formLearned from17 sentences. Some months may travel.Logical formLearned from17 sentences.