With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Kangana Ranaut refuses to go to Bollywood.
text_B: Theo Adam -LRB- born 1 August 1926 -RRB- is a distinguished German classical bass-baritone who had an active international career in operas , concerts , and recitals from the 1940s through the 1990s .. German. Germans. bass-baritone. bass-baritone. He particularly excelled in portraying roles from the operas of Richard Wagner .. Richard Wagner. Richard Wagner. On the concert stage , he was a much admired Bach singer and also drew acclaim for his interpretation of the title character of Felix Mendelssohn 's Elijah .. Bach. Johann Sebastian Bach. Felix Mendelssohn. Felix Mendelssohn. Elijah. Elijah ( oratorio )
not_related.