With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Zach Galifianakis starred in dogs.
text_B: Howard Brodie -LRB- November 18 , 1915 -- September 19 , 2010 -RRB- was a sketch artist best known for his World War II combat and courtroom sketches .. sketch artist. Sketch ( drawing ). World War II. World War II
not_related.