A pig can be at a trough.Logical formLearned from8 sentences. (Guinea pigs) can be in experiments.Logical formLearned from8 sentences. A (guinea pig) may pertain-to an automaker.Logical formLearned from8 sentences. Persons may buy a pig.Logical formLearned from8 sentences. A (pesticide negovone) may be used on pigs.Logical formLearned from8 sentences. Pigs may pertain-to a world-city.Logical formLearned from8 sentences. A pig can be to a human.Logical formLearned from8 sentences. A (pig industry) may pertain-to a state.Logical formLearned from8 sentences. Pigs may produce sewage.Logical formLearned from8 sentences. Pigs can be in a place.Logical formLearned from8 sentences. (Profit margins) can be from pigs.Logical formLearned from8 sentences. A (pig industry) can be ripe for overhaul.Logical formLearned from8 sentences. Some (pig farmers) can be in a state.Logical formLearned from8 sentences. A number of (pig farms) may decline by some percent.Logical formLearned from8 sentences. Some (pig farmers) may leave a business.Logical formLearned from8 sentences.