A flag may be flown at half staff.Logical formLearned from8 sentences. Planes may fly from a country.Logical formLearned from8 sentences. Aircrafts may fly in formation.Logical formLearned from8 sentences. Some animals may fly.Logical formLearned from8 sentences. A person may fly from a person.Logical formLearned from8 sentences. A female may fly to a rescue.Logical formLearned from8 sentences. A person may fly to work.Logical formLearned from8 sentences. Observatories may fly in an orbit.Logical formLearned from8 sentences. A bird may fly into a house.Logical formLearned from8 sentences. Some flags may be flown at half-mast.Logical formLearned from8 sentences. Legislation may fly under a radar.Logical formLearned from8 sentences. Sticks may fly.Logical formLearned from8 sentences. A bus may fly.Logical formLearned from8 sentences. Souls may fly.Logical formLearned from8 sentences. A negativity may fly.Logical formLearned from8 sentences.