With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Bohemian Rhapsody was a song.
text_B: Sita Marhi Natyashala , in the Sita Marhi archaeological site in Sarguja district in the Indian state of Chhattisgarh , is believed to be the oldest theatre in the world .. Sita Marhi. Sita Marhi. Sarguja. Sarguja. Chhattisgarh. Chhattisgarh. theatre. theatre. It is found in a cave-like structure .. As a matter of fact that can be seen a scriptured carved on rock that is said to be created by the court poet in admiration of the court dancer , and thus claims to be one of ancient most public expression of the most basic human sentiment-love .
not_related.