A balloon can be heart-shaped.Logical formLearned from34 sentences. Persons may have balloons.Logical formLearned from34 sentences. Balloons may pop.Logical formLearned from34 sentences. A lift may pertain-to a balloon.Logical formLearned from34 sentences. Balloons can be coloured.Logical formLearned from33 sentences. Balloons can be shaped.Logical formLearned from33 sentences. Balloons may drop.Logical formLearned from33 sentences. A hot-air balloon can be around the world.Logical formLearned from33 sentences. A hot-air balloon can be nonstop.Logical formLearned from33 sentences. Balloons can be high-tech.Logical formLearned from32 sentences. Some (balloon trip) can be by a male.Logical formLearned from32 sentences. A woman can be in a hot-air balloon.Logical formLearned from31 sentences. Some weeks can be in a balloon.Logical formLearned from31 sentences. Balloons may float.Logical formLearned from31 sentences. A balloon can be hot.Logical formLearned from30 sentences.