Persons may hurl rocks.Logical formLearned from10 sentences. Waves may cover a (rock arch).Logical formLearned from10 sentences. A (rock mass) may undergo a settling.Logical formLearned from10 sentences. Rocks may offer a glimmer of hope.Logical formLearned from10 sentences. A sovereignty can be over a rock.Logical formLearned from10 sentences. A (rock formation) may provide cover.Logical formLearned from10 sentences. Small groups of protesters may throw rocks.Logical formLearned from10 sentences. A person may know a rock.Logical formLearned from10 sentences. (Rock slabs) can be flat.Logical formLearned from10 sentences. Rock may move.Logical formLearned from10 sentences. Hundreds of demonstrators may throw rocks.Logical formLearned from10 sentences. A volcanic rock can be fresh.Logical formLearned from10 sentences. A car may be damaged by rocks.Logical formLearned from10 sentences. British forces may capture a rock.Logical formLearned from10 sentences. (Rock bands) may be played.Logical formLearned from10 sentences.