Passengers may fly between a continent.Logical formLearned from8 sentences. Some planes may be flown by pilots.Logical formLearned from8 sentences. Detectives may fly to a country.Logical formLearned from8 sentences. Journalists may be flown.Logical formLearned from8 sentences. A plane may fly in an area.Logical formLearned from8 sentences. A plane may fly.Logical formLearned from8 sentences. A group of some youths may be flown.Logical formLearned from8 sentences. A plane may fly from a world-city.Logical formLearned from8 sentences. Some freighters may fly to some destinations.Logical formLearned from8 sentences. (Shell casings) may fly.Logical formLearned from8 sentences. A male may fly on a flight.Logical formLearned from8 sentences. A (soccer team) may fly to a country.Logical formLearned from7 sentences. National flags may fly.Logical formLearned from7 sentences. Warplanes may fly some km.Logical formLearned from7 sentences. A pilot may fly a helicopter.Logical formLearned from7 sentences.