(Jet engines) may undergo a competition.Logical formLearned from21 sentences. (Jet engines) can be with electronics.Logical formLearned from21 sentences. A touchdown can be against jets.Logical formLearned from21 sentences. A (honor guard) may transfer caskets from a jet.Logical formLearned from21 sentences. Jets may hit some (power substations).Logical formLearned from21 sentences. Jets may rain dozens of missiles on an area.Logical formLearned from21 sentences. A jumbo jet can be with some persons.Logical formLearned from21 sentences. A jet may be highjacked.Logical formLearned from21 sentences. A (cargo jet) may undergo a crash.Logical formLearned from21 sentences. A (jet fuel) can be enough.Logical formLearned from21 sentences. A jet may turn.Logical formLearned from21 sentences. A (fighter jet) may undergo a downing.Logical formLearned from21 sentences. An order can be for jets.Logical formLearned from21 sentences. A jet can be over a US-city.Logical formLearned from21 sentences. A game can be for jets.Logical formLearned from21 sentences.