A (color factory) can be gray.Logical formLearned from18 sentences. Leggings can be gray.Logical formLearned from18 sentences. A castle can be gray.Logical formLearned from18 sentences. Today can be gray.Logical formLearned from18 sentences. A model can be gray.Logical formLearned from18 sentences. Pups can be gray.Logical formLearned from18 sentences. Ships can be gray.Logical formLearned from18 sentences. A silence can be gray.Logical formLearned from18 sentences. Life can be gray.Logical formLearned from18 sentences. A box can be gray.Logical formLearned from18 sentences. A light can be gray.Logical formLearned from18 sentences. A (tweed jacket) can be gray.Logical formLearned from18 sentences. A gray hair can be wispy.Logical formLearned from18 sentences. A pony can be gray.Logical formLearned from18 sentences. Lines can be gray.Logical formLearned from18 sentences.