A son may pertain-to a grandfather.Logical formLearned from48 sentences. A grandfather can be in a country.Logical formLearned from48 sentences. A grandfather may build.Logical formLearned from48 sentences. A grandfather may pertain-to a grandfather.Logical formLearned from48 sentences. A grandfather may undergo a loss.Logical formLearned from47 sentences. A relationship can be with a grandfather.Logical formLearned from47 sentences. A male may be raised by a grandfather.Logical formLearned from47 sentences. A grandfather can be biological.Logical formLearned from47 sentences. A grandfather may pertain-to a mother.Logical formLearned from47 sentences. A grandfather may pertain-to a writer.Logical formLearned from46 sentences. A room may pertain-to a grandfather.Logical formLearned from46 sentences. A great grandfather can be maternal.Logical formLearned from46 sentences. Care may pertain-to a grandfather.Logical formLearned from46 sentences. A wife may pertain-to a grandfather.Logical formLearned from46 sentences. A voice may pertain-to a grandfather.Logical formLearned from46 sentences.