Restrictions can be on flights.Logical formLearned from190 sentences. A flight can be forward.Logical formLearned from188 sentences. Some flights can be to a US-city.Logical formLearned from187 sentences. A male may board a flight.Logical formLearned from186 sentences. Flights can be selected.Logical formLearned from185 sentences. A flight may pertain-to an adventurer.Logical formLearned from185 sentences. (Military flights) may pertain-to a country.Logical formLearned from184 sentences. A flight can be into exile.Logical formLearned from183 sentences. Airlines may cancel flights.Logical formLearned from183 sentences. Flights can be planned.Logical formLearned from182 sentences. A flight can be in a country.Logical formLearned from181 sentences. Some flights can be constituted-of-or-filled-with steps.Logical formLearned from180 sentences. Flights can be one-way.Logical formLearned from180 sentences. A (passenger flight) can be scheduled.Logical formLearned from179 sentences. A flight can be to a continent.Logical formLearned from178 sentences.