Black bears may root through an undergrowth.Logical formLearned from7 sentences. An undergrowth can be shrubby.Logical formLearned from7 sentences. An undergrowth can be constituted-of-or-filled-with shrubs.Logical formLearned from6 sentences. A mass can be constituted-of-or-filled-with undergrowth.Logical formLearned from6 sentences. An undergrowth can be impenetrable.Logical formLearned from6 sentences. An undergrowth can be soft.Logical formLearned from6 sentences. An undergrowth can be brushy.Logical formLearned from6 sentences. An undergrowth can be dark.Logical formLearned from6 sentences. An undergrowth may fuels bushfires.Logical formLearned from6 sentences. A (jungle undergrowth) can be dense.Logical formLearned from5 sentences. Branches can be in an undergrowth.Logical formLearned from5 sentences. An undergrowth may pertain-to grass.Logical formLearned from5 sentences. An undergrowth may pertain-to a jungle.Logical formLearned from5 sentences. An undergrowth can be tall.Logical formLearned from5 sentences. A (forest undergrowth) can be thick.Logical formLearned from5 sentences.