A robe can be gray.Logical formLearned from134 sentences. Zones can be gray.Logical formLearned from127 sentences. Cells can be gray.Logical formLearned from126 sentences. A bark can be gray.Logical formLearned from124 sentences. Heads can be gray.Logical formLearned from123 sentences. A kitten can be gray.Logical formLearned from122 sentences. A sedan can be gray.Logical formLearned from119 sentences. The skies can be gray.Logical formLearned from115 sentences. Buildings can be gray.Logical formLearned from115 sentences. A tabby can be gray.Logical formLearned from115 sentences. A wool can be gray.Logical formLearned from115 sentences. Horses can be gray.Logical formLearned from113 sentences. Men can be gray.Logical formLearned from111 sentences. A mass can be gray.Logical formLearned from110 sentences. Hair may go gray.Logical formLearned from110 sentences.