Forests may undergo an improvement.Logical formLearned from5 sentences. A (forest type) can be fragile.Logical formLearned from5 sentences. A protected area can be constituted-of-or-filled-with forest.Logical formLearned from5 sentences. (Forest workers) may undergo an abuse.Logical formLearned from5 sentences. A (forest resource) can be urban.Logical formLearned from5 sentences. Forest may be dominated by sugar.Logical formLearned from5 sentences. Some trails can be in a (state forest).Logical formLearned from5 sentences. (Forest areas) can be shaded.Logical formLearned from5 sentences. Edges may pertain-to a forest.Logical formLearned from5 sentences. A yield can be constituted-of-or-filled-with (forest products).Logical formLearned from5 sentences. (Forest management principles) can be sustainable.Logical formLearned from5 sentences. Some (forest fires) may burn some acres.Logical formLearned from5 sentences. A (forest pest) can be serious.Logical formLearned from5 sentences. (Broadleaf forests) can be mixed.Logical formLearned from5 sentences. Work can be on forests.Logical formLearned from5 sentences.