(Forest areas) may undergo a burning.Logical formLearned from5 sentences. Effects can be on (forest ecosystems).Logical formLearned from5 sentences. Thousands of hectares of forest may go_up in smoke.Logical formLearned from5 sentences. Swathes may pertain-to forests.Logical formLearned from5 sentences. Persons may save a forest.Logical formLearned from5 sentences. A (forest canopy) can be urban.Logical formLearned from5 sentences. Forests may pertain-to islands.Logical formLearned from5 sentences. Manufacturer can be in a forest.Logical formLearned from5 sentences. (Forest birds) can be rare.Logical formLearned from5 sentences. A tropical forest can be luxuriant.Logical formLearned from5 sentences. A boundary can be constituted-of-or-filled-with forests.Logical formLearned from5 sentences. Persons may see a forest.Logical formLearned from5 sentences. Vegetation can be on a (forest floor).Logical formLearned from5 sentences. Tradeoffs can be in (forest land uses).Logical formLearned from5 sentences. A (state forest land) may pertain-to a us-state.Logical formLearned from5 sentences.