A list can be constituted-of-or-filled-with tracts.Logical formLearned from5 sentences. An alimentary tract may undergo a surgery.Logical formLearned from5 sentences. Some (census tracts) can be in a US-city.Logical formLearned from5 sentences. Cells may pertain-to a gastrointestinal tract.Logical formLearned from5 sentences. A tract may pertain-to a family.Logical formLearned from5 sentences. A person may buy a tract of land.Logical formLearned from5 sentences. A reproductive tract may undergo a regression.Logical formLearned from5 sentences. A portion may pertain-to an intestinal tract.Logical formLearned from5 sentences. A configuration may pertain-to a vocal tract.Logical formLearned from5 sentences. A study may pertain-to a tract.Logical formLearned from5 sentences. (Tract cancers) can be gastrointestinal.Logical formLearned from5 sentences. Tracts can be constituted-of-or-filled-with natural forests.Logical formLearned from5 sentences. Tracts can be constituted-of-or-filled-with (timber land).Logical formLearned from5 sentences. A tract may be put_forthed.Logical formLearned from5 sentences. Holders can be on a tract.Logical formLearned from5 sentences.