A president may emerge from a chopper to a roar.Logical formLearned from9 sentences. A chopper can be to a roar.Logical formLearned from9 sentences. A roar can be happy.Logical formLearned from8 sentences. A roar may pertain-to a us-state.Logical formLearned from8 sentences. A roar can be satisfying.Logical formLearned from8 sentences. A roar can be subdued.Logical formLearned from8 sentences. A roar can be intermittent.Logical formLearned from8 sentences. A roar can be strangled.Logical formLearned from8 sentences. A roar of a horseshoe may fall.Logical formLearned from8 sentences. A roar may pertain-to a horseshoe.Logical formLearned from8 sentences. A roar of rushing air may drown_out attempts.Logical formLearned from8 sentences. A roar may thunder above a cacophony of a wind.Logical formLearned from8 sentences. A roar may die.Logical formLearned from8 sentences. A roar may pertain-to a truck.Logical formLearned from8 sentences. A roar can be constituted-of-or-filled-with joy.Logical formLearned from8 sentences.