With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Shakira is a Colombian singer-songwriter.
text_B: John A. Bolger Jr. -LRB- May 22 , 1908 -- August 22 , 1990 -RRB- was an American sound engineer .. sound engineer. audio engineering. He was nominated for an Academy Award in the category Best Sound for the film The Hindenburg .. Academy Award. Academy Award. Best Sound. Academy Award for Best Sound. The Hindenburg. The Hindenburg ( film )
not_related.