A friend may fly.Logical formLearned from30 sentences. An American flag may fly.Logical formLearned from30 sentences. A pope may fly.Logical formLearned from30 sentences. Ducks may fly.Logical formLearned from30 sentences. A person may fly for some hours.Logical formLearned from30 sentences. A pig may fly.Logical formLearned from30 sentences. Kites may fly.Logical formLearned from30 sentences. A group may fly to a world-city.Logical formLearned from30 sentences. Leader may fly.Logical formLearned from30 sentences. Humans may fly.Logical formLearned from30 sentences. A game may fly.Logical formLearned from30 sentences. Hands may fly to a face.Logical formLearned from30 sentences. Some soldiers may fly.Logical formLearned from30 sentences. A person may fly a flag.Logical formLearned from30 sentences. A vessel may fly.Logical formLearned from30 sentences.