With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Blizzard Entertainment made the Diablo video game series.
text_B: The diagonal formula can refer to  :. some geometric method see Polygon entry. Polygon. Polygon. The formula developed by Aumann and Shapley to construct a Shapley value for non atomic games with a continuum of players. Shapley value. Shapley value
not_related.