(Fighter jets) may undergo a purchase.Logical formLearned from74 sentences. A (jet stream) can be strong.Logical formLearned from73 sentences. A touchdown may pertain-to jets.Logical formLearned from73 sentences. Regional jets may undergo a use.Logical formLearned from73 sentences. Jets may pertain-to a female.Logical formLearned from73 sentences. A jet may kill some persons.Logical formLearned from73 sentences. Jets can be civilian.Logical formLearned from73 sentences. A jet can be constituted-of-or-filled-with air.Logical formLearned from72 sentences. (Fighter jets) may fly.Logical formLearned from72 sentences. An owner may pertain-to jets.Logical formLearned from71 sentences. A (jet crash) may kill some persons.Logical formLearned from71 sentences. Jets may undergo a purchase.Logical formLearned from71 sentences. Demand can be for jets.Logical formLearned from71 sentences. Jets may fire some missiles.Logical formLearned from71 sentences. Jets may be bombed.Logical formLearned from70 sentences.