An airliner may collide with a (business jet).Logical formLearned from20 sentences. Jets may patroll a no-fly zone.Logical formLearned from20 sentences. A country may use a fleet of some (sukhoi-25 fighter jets).Logical formLearned from20 sentences. A jet can be damaged.Logical formLearned from20 sentences. Some (mig-29 jet fighters) may cross_over a border.Logical formLearned from20 sentences. (F-15 warplanes) may shoot_down some (mig-29 jet fighters).Logical formLearned from20 sentences. A (cargo jet) may crash.Logical formLearned from20 sentences. (War jets) may fly.Logical formLearned from20 sentences. A jet may be highjacked.Logical formLearned from20 sentences. Jet may undergo a crash.Logical formLearned from20 sentences. Pilots may pertain-to jets.Logical formLearned from20 sentences. A jet may crash in mountains.Logical formLearned from20 sentences. A (passenger jet) can be green.Logical formLearned from20 sentences. A (passenger jet) can be over a country.Logical formLearned from20 sentences. A squadron can be constituted-of-or-filled-with some (fighter jets).Logical formLearned from20 sentences.