A face can be gray.Logical formLearned from109 sentences. A van can be gray.Logical formLearned from108 sentences. A fabric can be gray.Logical formLearned from107 sentences. A (business suit) can be gray.Logical formLearned from107 sentences. A fog can be gray.Logical formLearned from106 sentences. A metal can be gray.Logical formLearned from103 sentences. Rocks can be gray.Logical formLearned from102 sentences. Colors can be gray.Logical formLearned from102 sentences. A female can be gray.Logical formLearned from102 sentences. A color can be gray.Logical formLearned from100 sentences. Skies can be gray.Logical formLearned from99 sentences. Spots can be gray.Logical formLearned from98 sentences. Stones can be gray.Logical formLearned from98 sentences. A hoodie can be gray.Logical formLearned from94 sentences. A text can be gray.Logical formLearned from94 sentences.