With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Glee aired on NBC.
text_B: Duodenal lymphocytosis , sometimes called lymphocytic duodenitis , lymphocytic duodenosis , or duodenal intraepithelial lymphocytosis , is a condition where an increased number of intra-epithelial lymphocytes is seen in biopsies of the duodenal mucosa when these are examined microscopically .. lymphocytes. lymphocytes. duodenal. duodenum. mucosa. intestinal mucosa. It is often a feature of coeliac disease but may be found in other disorders .. coeliac disease. coeliac disease
not_related.