A tract can be on a subject.Logical formLearned from6 sentences. Tracts may be aimed toward (policy wonks).Logical formLearned from6 sentences. (Air pollution) may irritate a respiratory tract.Logical formLearned from6 sentences. Tracts can be constituted-of-or-filled-with grazing.Logical formLearned from6 sentences. A tract can be lonely.Logical formLearned from6 sentences. Some tracts can be on subjects.Logical formLearned from6 sentences. A tract can be rocky.Logical formLearned from6 sentences. A vocal tract may undergo a closure.Logical formLearned from6 sentences. A claim can be to a tract.Logical formLearned from6 sentences. Tracts may pertain-to lands.Logical formLearned from6 sentences. A tract can be unspoiled.Logical formLearned from6 sentences. An intestinal tract may undergo an infection.Logical formLearned from6 sentences. A (tract home) may pertain-to a person.Logical formLearned from6 sentences. A (nerve tract) can be in a region of a brain.Logical formLearned from6 sentences. A (tract house) may pertain-to a us-state.Logical formLearned from6 sentences.