With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Audra McDonald has appeared as a background extra in dramas.
text_B: Dharmawangsa , stylized regnal name Sri Maharaja Isyana Dharmawangsa Teguh Anantawikramottunggadewa of Isyana dynasty was the last raja of the Kingdom of Medang reigned from 990-1016 CE .. Isyana dynasty. Isyana dynasty. raja. raja. Kingdom of Medang. Kingdom of Medang. He also known in his posthumous name Wijayamreta Wardhana which means `` powerful in glorious death '' , which refer to his fight to the death .
not_related.