With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: The New Adventures of Old Christine is an American sitcom.
text_B: Mohamed Douch , PhD is a Canadian economist .. He is a professor at the Royal Military College of Canada -LRB- RMCC -RRB- where he has been on the faculty since 2006 .. Royal Military College of Canada. Royal Military College of Canada
not_related.