A (spy drone) can be unmanned.Logical formLearned from39 sentences. (Spy satellites) may detect trucks.Logical formLearned from39 sentences. (U-2 spy planes) may pertain-to a country.Logical formLearned from39 sentences. A spy can be in training.Logical formLearned from39 sentences. A (spy plane) may undergo an interception.Logical formLearned from39 sentences. Spies can be undercover.Logical formLearned from38 sentences. A ring can be constituted-of-or-filled-with spies.Logical formLearned from38 sentences. A life can be as a spy.Logical formLearned from38 sentences. Spies can be in a world-city.Logical formLearned from38 sentences. A (fighter jet) may shoot_down a (spy plane).Logical formLearned from38 sentences. A (spy chief) may pertain-to a president.Logical formLearned from38 sentences. A death may pertain-to a spy.Logical formLearned from37 sentences. A spy can be for a government-agency.Logical formLearned from37 sentences. Spies can be on the ground.Logical formLearned from37 sentences. A (spy plane) may pertain-to a band.Logical formLearned from37 sentences.