A plane may fly low.Logical formLearned from77 sentences. A ship may fly.Logical formLearned from77 sentences. Planes may fly over a country.Logical formLearned from77 sentences. An aircraft may fly on a month.Logical formLearned from76 sentences. Insects may fly.Logical formLearned from76 sentences. Warplanes may fly over a country.Logical formLearned from75 sentences. Children may fly.Logical formLearned from75 sentences. A group may fly.Logical formLearned from75 sentences. A male may fly (combat missions).Logical formLearned from74 sentences. Airlines may fly.Logical formLearned from74 sentences. Money may fly.Logical formLearned from74 sentences. A male may be flown to a hospital.Logical formLearned from74 sentences. A summer may fly.Logical formLearned from73 sentences. Words may fly.Logical formLearned from73 sentences. A president may fly to a US-city.Logical formLearned from73 sentences.