With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Australia is a former territory of the British Empire and is now a member of the Commonwealth of Nations.
text_B: Jackson Rohm is an American country / pop musician .. pop. pop music. country. country music. He was born in Jamestown , New York , and currently lives in San Francisco , California .. Jamestown. Jamestown, New York. New York. New York ( state )
not_related.