Rocks may pertain-to a group.Logical formLearned from15 sentences. A (rock star) can be wealthy.Logical formLearned from15 sentences. Rocks may begin.Logical formLearned from15 sentences. An approach can be to rock.Logical formLearned from15 sentences. A ship may hit rocks.Logical formLearned from15 sentences. A landscape can be constituted-of-or-filled-with rocks.Logical formLearned from15 sentences. A rock can be in a road.Logical formLearned from15 sentences. A rock can be worthless.Logical formLearned from15 sentences. A guitarist can be for a (rock band).Logical formLearned from15 sentences. Children may throw rocks.Logical formLearned from15 sentences. An album can be by a (rock group).Logical formLearned from15 sentences. A (rock wall) can be vertical.Logical formLearned from15 sentences. An impact can be on rock.Logical formLearned from15 sentences. Stars may pertain-to rock.Logical formLearned from15 sentences. Volcanic rock may undergo an escarpment.Logical formLearned from15 sentences.