A male may board at a school.Logical formLearned from15 sentences. A person may board an airplane.Logical formLearned from15 sentences. A female may board a ship.Logical formLearned from15 sentences. Some men may board a boat.Logical formLearned from15 sentences. Some passengers may board a bus.Logical formLearned from15 sentences. Hijackers may board a freighter.Logical formLearned from15 sentences. Passengers may board a yak-42.Logical formLearned from15 sentences. A ship may be boarded by pirates.Logical formLearned from15 sentences. Officers may board a ship.Logical formLearned from15 sentences. Passengers may board an aircraft.Logical formLearned from15 sentences. Men may board a train.Logical formLearned from14 sentences. Some hours may board a (thumb plane).Logical formLearned from14 sentences. A person may board a plane to a US-city.Logical formLearned from14 sentences. Persons may board a flight to a world-city.Logical formLearned from14 sentences. Ships may be boarded.Logical formLearned from14 sentences.