A flight can be from a us-state.Logical formLearned from170 sentences. A flight may crash.Logical formLearned from169 sentences. Commercial flights can be regular.Logical formLearned from169 sentences. A flight may take some hours.Logical formLearned from169 sentences. A flight can be nonstop.Logical formLearned from168 sentences. A flight can be from a us-state.Logical formLearned from168 sentences. Flights can be long-range.Logical formLearned from167 sentences. A flight may be bounded for a US-city.Logical formLearned from167 sentences. Seats can be on flights.Logical formLearned from166 sentences. A flight may undergo a cancellation.Logical formLearned from166 sentences. A flight can be hours.Logical formLearned from166 sentences. A flight may undergo a hijacking.Logical formLearned from166 sentences. Flights may be grounded.Logical formLearned from165 sentences. Flights can be in a continent.Logical formLearned from163 sentences. A time may pertain-to a flight.Logical formLearned from162 sentences.