A (global balloon) may run into trouble.Logical formLearned from8 sentences. A (balloon flight) may pertain-to the world.Logical formLearned from8 sentences. A hot-air balloon may land.Logical formLearned from8 sentences. A balloon may travel some kilometers.Logical formLearned from8 sentences. A downfall may symbolize burstings of a balloon.Logical formLearned from8 sentences. A crew may pertain-to a balloon.Logical formLearned from8 sentences. Some balloons may take part.Logical formLearned from8 sentences. (Balloon pilots) may commit some violations of norms.Logical formLearned from8 sentences. A balloon may be sprayed with fire.Logical formLearned from8 sentences. Authorities can be aware of origins of balloons.Logical formLearned from8 sentences. A (helicopter gunship) may shoot_down a (hydrogen balloon).Logical formLearned from8 sentences. A (balloon race) can be international.Logical formLearned from8 sentences. A balloon can be full of lies.Logical formLearned from8 sentences. A balloon may circumnavigate the earth.Logical formLearned from8 sentences. Balloons may bear a slogan.Logical formLearned from8 sentences.