Illustrations may show a digestive tract.Logical formLearned from5 sentences. A tract may abut a park.Logical formLearned from5 sentences. A tract can be sensitive.Logical formLearned from5 sentences. Tracts may undergo a publishing.Logical formLearned from5 sentences. A tract can be constituted-of-or-filled-with sea.Logical formLearned from5 sentences. Tracts can be constituted-of-or-filled-with federal lands.Logical formLearned from5 sentences. A spirochete can be in tracts of children.Logical formLearned from5 sentences. A flu can be an infection of a respiratory tract.Logical formLearned from5 sentences. (Tract homes) can be brand-new.Logical formLearned from5 sentences. A (tract home) may undergo a (living room).Logical formLearned from5 sentences. Tracts may be occupied by some persons.Logical formLearned from5 sentences. A tract can be constituted-of-or-filled-with nothingness.Logical formLearned from5 sentences. A (tract home) may pertain-to a us-state.Logical formLearned from5 sentences. Tracts can be uncovered.Logical formLearned from5 sentences. A (science center) may sit on a tract.Logical formLearned from5 sentences.