With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Blackhat stars an actor.
text_B: The postero-inferior surface of the stomach is covered by peritoneum , except over a small area close to the cardiac orifice ; this area is limited by the lines of attachment of the gastrophrenic ligament , and lies in apposition with the diaphragm , and frequently with the upper portion of the left suprarenal gland .. postero. posterior ( anatomy ). inferior. inferior ( anatomy ). stomach. stomach. peritoneum. peritoneum. cardiac orifice. cardiac orifice. diaphragm. Thoracic diaphragm. suprarenal gland. suprarenal gland
not_related.