A female may have dark circles.Logical formLearned from20 sentences. A shelf can be dark.Logical formLearned from20 sentences. A sign can be dark.Logical formLearned from20 sentences. A source can be dark.Logical formLearned from20 sentences. A leaf can be dark.Logical formLearned from20 sentences. A dark cloud may have a silver lining.Logical formLearned from20 sentences. A bridge can be dark.Logical formLearned from20 sentences. A bow can be dark.Logical formLearned from20 sentences. A lawn can be dark.Logical formLearned from20 sentences. Blood can be dark.Logical formLearned from20 sentences. Kids can be dark.Logical formLearned from20 sentences. Tattoos can be dark.Logical formLearned from20 sentences. A whole can be dark.Logical formLearned from20 sentences. A person may own a dark knight.Logical formLearned from20 sentences. An oak can be dark.Logical formLearned from20 sentences.