A forest can be constituted-of-or-filled-with firs.Logical formLearned from14 sentences. Tropical forests can be fragile.Logical formLearned from14 sentences. Persons may destroy thousands of square miles of (rain forest).Logical formLearned from14 sentences. Gold can be in some (rain forests).Logical formLearned from14 sentences. A ridge can be between a forest.Logical formLearned from14 sentences. Some forest may be untouched.Logical formLearned from14 sentences. Forests can be examples of a level of (ecosystem variety).Logical formLearned from14 sentences. A forest can be constituted-of-or-filled-with maple.Logical formLearned from14 sentences. A forest can be untamed.Logical formLearned from14 sentences. A forest can be indoor.Logical formLearned from14 sentences. A (rain forest) can be rich.Logical formLearned from14 sentences. Forests can be in developing countries.Logical formLearned from14 sentences. A forest can be established.Logical formLearned from14 sentences. A (forest land) can be virgin.Logical formLearned from14 sentences. Forests can be fragile.Logical formLearned from14 sentences.