Second-growth forests may undergo a formation.Logical formLearned from18 sentences. Wildfires may prevent a formation of second-growth forests.Logical formLearned from18 sentences. (Rain forests) can be thick.Logical formLearned from18 sentences. A national forest can be protected.Logical formLearned from18 sentences. A male can be a forest.Logical formLearned from18 sentences. A defeat can be to a forest.Logical formLearned from18 sentences. Openings can be in a forest.Logical formLearned from18 sentences. A (forest area) can be urban.Logical formLearned from18 sentences. Square miles can be constituted-of-or-filled-with forest.Logical formLearned from18 sentences. A town can be in a forest.Logical formLearned from18 sentences. A status may pertain-to forests.Logical formLearned from18 sentences. Tropical forests may undergo protection.Logical formLearned from18 sentences. A percent may pertain-to old-growth forests.Logical formLearned from18 sentences. An area can be in a forest.Logical formLearned from18 sentences. A forest can be younger.Logical formLearned from18 sentences.