A (balloon flight) can be high-altitude.Logical formLearned from7 sentences. A balloon may rise to some feet.Logical formLearned from7 sentences. A balloon can be invisible.Logical formLearned from7 sentences. Balloons can be happy.Logical formLearned from7 sentences. An (era balloon) may pertain-to a male.Logical formLearned from7 sentences. Balloons can be constituted-of-or-filled-with balloons.Logical formLearned from7 sentences. Balloons can be black.Logical formLearned from7 sentences. A release may pertain-to balloons.Logical formLearned from7 sentences. White balloons can be red.Logical formLearned from7 sentences. Balloons can be with cards.Logical formLearned from7 sentences. A cloud can be constituted-of-or-filled-with balloons.Logical formLearned from7 sentences. Balloons can be cool.Logical formLearned from7 sentences. A balloon may be filled.Logical formLearned from7 sentences. (Helium balloons) can be red.Logical formLearned from7 sentences. (Balloon prices) may be inflated.Logical formLearned from7 sentences.