Damage can be to a digestive tract.Logical formLearned from9 sentences. A mucosa may pertain-to a gastrointestinal tract.Logical formLearned from9 sentences. A tract may pertain-to a mother.Logical formLearned from9 sentences. Tracts can be protected.Logical formLearned from9 sentences. A model may show a vocal tract.Logical formLearned from9 sentences. A (tract obstruction) can be biliary.Logical formLearned from9 sentences. Tracts may pertain-to a frontier.Logical formLearned from9 sentences. Bacteria may live in intestinal tracts of humans.Logical formLearned from9 sentences. A tract can be constituted-of-or-filled-with rainforest.Logical formLearned from9 sentences. Tracts may receive bids.Logical formLearned from9 sentences. (Housing tracts) can be dense.Logical formLearned from9 sentences. Disorders may pertain-to an urinary tract.Logical formLearned from9 sentences. Tracts can be in a us-state.Logical formLearned from9 sentences. A tract can be constituted-of-or-filled-with road.Logical formLearned from9 sentences. A person may write a tract.Logical formLearned from9 sentences.