An activist-organization may inflate a hot-air balloon.Logical formLearned from9 sentences. A balloon may hit water.Logical formLearned from9 sentences. A balloon can be with some persons.Logical formLearned from9 sentences. Balloons may carry some flyers.Logical formLearned from9 sentences. Balloons may undergo a launch.Logical formLearned from9 sentences. A balloon can be shredded.Logical formLearned from9 sentences. A manufacturer may pertain-to a balloon.Logical formLearned from9 sentences. A balloon can be gray.Logical formLearned from8 sentences. Pressure may pertain-to a balloon.Logical formLearned from8 sentences. Some balloons may be released into air.Logical formLearned from8 sentences. Balloons may undergo poppings.Logical formLearned from8 sentences. A shadow may pertain-to a balloon.Logical formLearned from8 sentences. (Balloon experiments) can be high-altitude.Logical formLearned from8 sentences. A hot-air balloon may undergo a launch.Logical formLearned from8 sentences. Balloons may start.Logical formLearned from8 sentences.