Sneakers can be gray.Logical formLearned from25 sentences. A gray matter can be cortical.Logical formLearned from25 sentences. Gray whales may undergo a population.Logical formLearned from25 sentences. A gloom can be gray.Logical formLearned from24 sentences. A couch can be gray.Logical formLearned from24 sentences. A female can be a gray parrot.Logical formLearned from24 sentences. A background can be gray.Logical formLearned from24 sentences. A (winter day) can be gray.Logical formLearned from24 sentences. Smogs can be gray.Logical formLearned from24 sentences. A mess can be gray.Logical formLearned from24 sentences. A design can be gray.Logical formLearned from24 sentences. An affair can be gray.Logical formLearned from24 sentences. An old man can be gray.Logical formLearned from24 sentences. A kangaroo can be gray.Logical formLearned from24 sentences. An earth can be gray.Logical formLearned from24 sentences.