A male may have gray hair.Logical formLearned from60 sentences. Locks can be gray.Logical formLearned from59 sentences. A gelding can be gray.Logical formLearned from58 sentences. A jersey can be gray.Logical formLearned from58 sentences. A face can be gray.Logical formLearned from58 sentences. A hematite can be gray.Logical formLearned from58 sentences. A sheet can be gray.Logical formLearned from57 sentences. A winter can be gray.Logical formLearned from57 sentences. A shock can be constituted-of-or-filled-with gray hair.Logical formLearned from57 sentences. A cement can be gray.Logical formLearned from57 sentences. A vest can be gray.Logical formLearned from56 sentences. Rain can be gray.Logical formLearned from56 sentences. The weather can be gray.Logical formLearned from56 sentences. A (matter volume) can be gray.Logical formLearned from55 sentences. ..s can be gray.Logical formLearned from55 sentences.