Mounds can be gray.Logical formLearned from11 sentences. A cashmere can be gray.Logical formLearned from11 sentences. A (marble courtroom) can be gray.Logical formLearned from11 sentences. A mound can be gray.Logical formLearned from11 sentences. A pigeon can be gray.Logical formLearned from10 sentences. Forewings can be gray.Logical formLearned from10 sentences. An oak can be gray.Logical formLearned from10 sentences. (Granite columns) can be gray.Logical formLearned from10 sentences. A coloration can be gray.Logical formLearned from10 sentences. A scheme can be gray.Logical formLearned from10 sentences. A conglomerate can be gray.Logical formLearned from10 sentences. (Matter changes) can be gray.Logical formLearned from10 sentences. Darkness can be gray.Logical formLearned from10 sentences. Some packs can be constituted-of-or-filled-with gray wolves.Logical formLearned from10 sentences. Soils can be gray.Logical formLearned from10 sentences.