A flight can be to a US-city.Logical formLearned from2 528 sentences. A flight can be to a country.Logical formLearned from2 499 sentences. Flights can be regular.Logical formLearned from2 379 sentences. Flights can be weekly.Logical formLearned from2 261 sentences. A flight can be to a country.Logical formLearned from2 082 sentences. Some flights may be cancelled.Logical formLearned from2 057 sentences. Hundreds can be constituted-of-or-filled-with flights.Logical formLearned from2 041 sentences. Flights can be to a country.Logical formLearned from2 040 sentences. Flights may pertain-to a country.Logical formLearned from2 031 sentences. Flights may pertain-to a person.Logical formLearned from2 013 sentences. A flight can be from a US-city.Logical formLearned from1 954 sentences. Flights can be to a world-city.Logical formLearned from1 896 sentences. A flight can be short.Logical formLearned from1 880 sentences. A flight can be scheduled.Logical formLearned from1 860 sentences. A flight may pertain-to a weekday.Logical formLearned from1 755 sentences.