A gray hair can be in a mirror.Logical formLearned from19 sentences. Colors can be gray.Logical formLearned from19 sentences. A pavement can be gray.Logical formLearned from19 sentences. A gray whale can be in American waters.Logical formLearned from19 sentences. Cabinets can be gray.Logical formLearned from19 sentences. A street can be gray.Logical formLearned from19 sentences. Steps can be gray.Logical formLearned from19 sentences. Centers can be gray.Logical formLearned from19 sentences. Felts can be gray.Logical formLearned from19 sentences. Braids can be gray.Logical formLearned from19 sentences. Balls can be gray.Logical formLearned from19 sentences. Treefrogs can be gray.Logical formLearned from19 sentences. An object can be gray.Logical formLearned from19 sentences. A sweatsuit can be gray.Logical formLearned from19 sentences. A waistcoat can be gray.Logical formLearned from19 sentences.