A book can be a tract.Logical formLearned from17 sentences. Tracts can be constituted-of-or-filled-with some acres.Logical formLearned from17 sentences. A part may pertain-to an intestinal tract.Logical formLearned from17 sentences. Tracts can be theoretical.Logical formLearned from17 sentences. Cancer may pertain-to an urinary tract.Logical formLearned from17 sentences. Cells may pertain-to a respiratory tract.Logical formLearned from17 sentences. (Tract resonances) can be vocal.Logical formLearned from17 sentences. Tracts can be constituted-of-or-filled-with fields.Logical formLearned from17 sentences. Tracts can be constituted-of-or-filled-with land.Logical formLearned from16 sentences. Absorption can be from a gastrointestinal tract.Logical formLearned from16 sentences. An author may pertain-to tracts.Logical formLearned from16 sentences. An urinary tract may undergo an inflammation.Logical formLearned from16 sentences. A tract can be constituted-of-or-filled-with woods.Logical formLearned from16 sentences. An end may pertain-to a digestive tract.Logical formLearned from16 sentences. A digestive tract may undergo an inflammation.Logical formLearned from16 sentences.