Hundreds of demonstrators may throw stones.Logical formLearned from20 sentences. A stone can be vital.Logical formLearned from20 sentences. Some policemen may be hurted by stones.Logical formLearned from20 sentences. A president may lay a (foundation stone).Logical formLearned from19 sentences. Dozens of protesters may throw stones.Logical formLearned from19 sentences. Hundreds of youngsters may throw stones.Logical formLearned from19 sentences. Stone may be included in a list.Logical formLearned from19 sentences. A stone may be inscribed.Logical formLearned from19 sentences. A (foundation stone) may be laid by a male.Logical formLearned from19 sentences. A field can be constituted-of-or-filled-with stones.Logical formLearned from19 sentences. A stone may pertain-to a church.Logical formLearned from19 sentences. Stones may pertain-to a field.Logical formLearned from19 sentences. A stone can be to a country.Logical formLearned from19 sentences. A male may take a stone.Logical formLearned from19 sentences. A stone may be set.Logical formLearned from19 sentences.