A cloud can be gray.Logical formLearned from296 sentences. A dress can be gray.Logical formLearned from290 sentences. Dust can be gray.Logical formLearned from273 sentences. A morning can be gray.Logical formLearned from270 sentences. A haze can be gray.Logical formLearned from270 sentences. Tones can be gray.Logical formLearned from266 sentences. A coat can be gray.Logical formLearned from264 sentences. Trousers can be gray.Logical formLearned from263 sentences. A house can be gray.Logical formLearned from262 sentences. A building can be gray.Logical formLearned from258 sentences. An ash can be gray.Logical formLearned from248 sentences. Days can be gray.Logical formLearned from239 sentences. A granite can be gray.Logical formLearned from238 sentences. A head can be gray.Logical formLearned from237 sentences. A paint can be gray.Logical formLearned from236 sentences.