(Stone tools) can be primitive.Logical formLearned from38 sentences. Protesters may hurl stones.Logical formLearned from38 sentences. A cover may pertain-to stones.Logical formLearned from37 sentences. Stones can be mossy.Logical formLearned from37 sentences. A person may have stones.Logical formLearned from37 sentences. A person may pass a (kidney stone).Logical formLearned from37 sentences. A stone can be cold.Logical formLearned from37 sentences. A male may have (kidney stones).Logical formLearned from37 sentences. A stone may be thrown.Logical formLearned from37 sentences. A source can be constituted-of-or-filled-with stone.Logical formLearned from37 sentences. A stone can be daily.Logical formLearned from37 sentences. A shape may pertain-to a stone.Logical formLearned from36 sentences. A (foundation stone) can be for a building.Logical formLearned from36 sentences. A row can be constituted-of-or-filled-with stones.Logical formLearned from36 sentences. Stones can be constituted-of-or-filled-with some songs.Logical formLearned from36 sentences.