A horsehair can be gray.Logical formLearned from7 sentences. Pills can be gray.Logical formLearned from7 sentences. A curve can be gray.Logical formLearned from7 sentences. A person may see a gray hair.Logical formLearned from7 sentences. Tombstones can be gray.Logical formLearned from7 sentences. A layer can be gray.Logical formLearned from7 sentences. A discharge can be gray.Logical formLearned from7 sentences. Gray whales can be endangered.Logical formLearned from7 sentences. A (fine diaper cloth) can be gray.Logical formLearned from7 sentences. A gray hair can be unkempt.Logical formLearned from7 sentences. A crescent can be gray.Logical formLearned from7 sentences. Gray water may undergo a use.Logical formLearned from7 sentences. A sidewalk can be gray.Logical formLearned from7 sentences. Heels can be gray.Logical formLearned from7 sentences. Granules can be gray.Logical formLearned from7 sentences.