A flag may fly at some staff.Logical formLearned from30 sentences. A plane may fly low.Logical formLearned from30 sentences. The world may fly.Logical formLearned from30 sentences. A plane may fly some miles.Logical formLearned from30 sentences. Planes may be flown.Logical formLearned from30 sentences. Pilots may fly over a country.Logical formLearned from30 sentences. A president may fly by helicopter.Logical formLearned from30 sentences. A delegation may fly to a country.Logical formLearned from29 sentences. A person may fly some (combat missions).Logical formLearned from29 sentences. A moth may fly in some generations.Logical formLearned from29 sentences. Flights may fly.Logical formLearned from29 sentences. Weeks may fly.Logical formLearned from29 sentences. Bottles may fly.Logical formLearned from29 sentences. Months may fly.Logical formLearned from29 sentences. Pigs may fly.Logical formLearned from29 sentences.