With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: The Wolf of Wall Street is a movie.
text_B: In mathematics , a Mobius plane -LRB- named after August Ferdinand Mobius -RRB- is one of the Benz planes  : Mobius plane , Laguerre plane and Minkowski plane .. August Ferdinand Mobius. August Ferdinand Mobius. Laguerre plane. Laguerre plane. Minkowski plane. Minkowski plane. The classical example is based on the geometry of lines and circles in the real affine plane .. affine plane. Affine plane ( incidence geometry ). A second name for Mobius plane is inversive plane .. It is due to the existence of inversions in the classical Mobius plane .. An inversion is an involutory mapping which leaves the points of a circle or line fixed -LRB- see below -RRB- .. involutory. Involution ( mathematics )
not_related.