A stone can be upright.Logical formLearned from56 sentences. A stone can be rare.Logical formLearned from56 sentences. Bits can be constituted-of-or-filled-with stone.Logical formLearned from55 sentences. A stone can be black.Logical formLearned from55 sentences. Masses can be constituted-of-or-filled-with stone.Logical formLearned from54 sentences. A (stone wall) can be cold.Logical formLearned from54 sentences. A person can be a stone.Logical formLearned from54 sentences. Teen-agers may throw stones.Logical formLearned from54 sentences. Rain can be constituted-of-or-filled-with stones.Logical formLearned from53 sentences. A layer can be constituted-of-or-filled-with stones.Logical formLearned from53 sentences. A stone can be square.Logical formLearned from53 sentences. Clashes can be between (stone throwers).Logical formLearned from53 sentences. A layer can be constituted-of-or-filled-with stone.Logical formLearned from53 sentences. Stones may place.Logical formLearned from52 sentences. A person may have a heart of stone.Logical formLearned from52 sentences.