Tracts of land may be cleared.Logical formLearned from8 sentences. A person may own a tract.Logical formLearned from8 sentences. An outline may pertain-to a (tract model).Logical formLearned from8 sentences. (Tract parameters) can be vocal.Logical formLearned from8 sentences. Some tracts can be constituted-of-or-filled-with forest.Logical formLearned from8 sentences. Tracts can be constituted-of-or-filled-with rainforests.Logical formLearned from8 sentences. A tract can be constituted-of-or-filled-with some miles.Logical formLearned from8 sentences. Tracts may be purchased.Logical formLearned from8 sentences. Ownership may pertain-to a tract.Logical formLearned from8 sentences. Cells may be found in (gastrointestinal tracts) of birds.Logical formLearned from8 sentences. An upper respiratory tract may undergo an irritation.Logical formLearned from8 sentences. Interest can be in tract.Logical formLearned from8 sentences. Disease may pertain-to a gastrointestinal tract.Logical formLearned from8 sentences. A tract can be constituted-of-or-filled-with (real estate).Logical formLearned from8 sentences. Tracts can be disputed.Logical formLearned from8 sentences.