Sand can be gray.Logical formLearned from92 sentences. A landscape can be gray.Logical formLearned from91 sentences. A button can be gray.Logical formLearned from90 sentences. Shades can be gray.Logical formLearned from89 sentences. A cardigan can be gray.Logical formLearned from89 sentences. A twilight can be gray.Logical formLearned from88 sentences. A tie can be gray.Logical formLearned from87 sentences. Shorts can be gray.Logical formLearned from87 sentences. Stripes can be gray.Logical formLearned from85 sentences. Beards can be gray.Logical formLearned from85 sentences. A man can be gray.Logical formLearned from83 sentences. Robes can be gray.Logical formLearned from83 sentences. Sweatpants can be gray.Logical formLearned from82 sentences. A shadow can be gray.Logical formLearned from82 sentences. Jeans can be gray.Logical formLearned from82 sentences.