A country may cancel flights.Logical formLearned from38 sentences. Some (shuttle flights) can be to a (space station).Logical formLearned from38 sentences. A flight may carry some persons.Logical formLearned from38 sentences. A mission can be (shuttle flight).Logical formLearned from38 sentences. Flights may be expected.Logical formLearned from38 sentences. Direct flights can be from a country.Logical formLearned from37 sentences. Flights may undergo an expansion.Logical formLearned from37 sentences. Flights can be to destinations.Logical formLearned from37 sentences. A flight can be tethered.Logical formLearned from37 sentences. A flight can be perilous.Logical formLearned from37 sentences. A (flight attendant) may pertain-to persons.Logical formLearned from37 sentences. (Carbon emissions) can be from flights.Logical formLearned from37 sentences. An arrival may pertain-to a flight.Logical formLearned from37 sentences. (Flight tickets) may pertain-to a person.Logical formLearned from37 sentences. Passengers may pertain-to flights.Logical formLearned from37 sentences.