Tracts can be undeveloped.Logical formLearned from47 sentences. A (tract map) can be tentative.Logical formLearned from47 sentences. A tract can be wide.Logical formLearned from46 sentences. Tracts can be constituted-of-or-filled-with rainforest.Logical formLearned from46 sentences. Tracts may pertain-to a land.Logical formLearned from44 sentences. Cancers may pertain-to a tract.Logical formLearned from43 sentences. A male may write a tract.Logical formLearned from41 sentences. A tract can be fertile.Logical formLearned from41 sentences. Tracts can be open.Logical formLearned from41 sentences. Tracts may pertain-to a country.Logical formLearned from41 sentences. Tracts can be constituted-of-or-filled-with jungle.Logical formLearned from41 sentences. Tracts may provide boundaries.Logical formLearned from40 sentences. Tracts may represent tracts.Logical formLearned from40 sentences. A (reef tract) may pertain-to a us-state.Logical formLearned from40 sentences. A tract can be constituted-of-or-filled-with farmland.Logical formLearned from39 sentences.