(Pig farming) can be an industry.Logical formLearned from18 sentences. A (flu strain) can be a combination of pig.Logical formLearned from18 sentences. A (pig population) may pertain-to a country.Logical formLearned from18 sentences. Pigs can be in a capital.Logical formLearned from18 sentences. Pigs may be infected.Logical formLearned from18 sentences. A contact can be with pigs.Logical formLearned from17 sentences. Production of (pig iron) may grow by some percent.Logical formLearned from17 sentences. A stomach may pertain-to pig.Logical formLearned from17 sentences. Pearls can be to pigs.Logical formLearned from17 sentences. Herds can be constituted-of-or-filled-with pigs.Logical formLearned from17 sentences. Pigs may undergo a culling.Logical formLearned from17 sentences. A pig can be fried.Logical formLearned from17 sentences. Pig may be headed.Logical formLearned from17 sentences. A person may love pigs.Logical formLearned from17 sentences. Pigs may fly returns.Logical formLearned from17 sentences.