Forests may be reduced to leafless.Logical formLearned from18 sentences. A wave can be constituted-of-or-filled-with (forest fires).Logical formLearned from18 sentences. A plane may crash in a forest.Logical formLearned from18 sentences. Some years of conflict may threaten forests.Logical formLearned from18 sentences. A lake can be in a forest.Logical formLearned from18 sentences. (Rain forests) may pertain-to a continent.Logical formLearned from18 sentences. (Carbon dioxide) may be absorbed by forests.Logical formLearned from18 sentences. A gloom may pertain-to a forest.Logical formLearned from18 sentences. A coach may pertain-to a forest.Logical formLearned from18 sentences. A (rain forest defender) can be renowned.Logical formLearned from18 sentences. Forest may undergo a burning.Logical formLearned from18 sentences. A forest can be scorched.Logical formLearned from18 sentences. A tropical (rain forest) can be virgin.Logical formLearned from18 sentences. A site can be in a forest.Logical formLearned from18 sentences. A country may battle (forest fires).Logical formLearned from18 sentences.