Hair can be gray.Logical formLearned from53 sentences. A t-shirt can be gray.Logical formLearned from53 sentences. Shadows can be gray.Logical formLearned from53 sentences. Eyebrows can be gray.Logical formLearned from53 sentences. An outfit can be gray.Logical formLearned from53 sentences. Kangaroos can be gray.Logical formLearned from53 sentences. A day can be gray.Logical formLearned from52 sentences. A stubble can be gray.Logical formLearned from52 sentences. A carpeting can be gray.Logical formLearned from52 sentences. A drizzle can be gray.Logical formLearned from52 sentences. A backdrop can be gray.Logical formLearned from52 sentences. A back can be gray.Logical formLearned from51 sentences. A home can be gray.Logical formLearned from51 sentences. A turtleneck can be gray.Logical formLearned from51 sentences. A figure can be gray.Logical formLearned from51 sentences.