With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Beyoncé Knowles has a cooking career.
text_B: In mathematical optimization , the revised simplex method is a variant of George Dantzig 's simplex method for linear programming .. mathematical optimization. mathematical optimization. George Dantzig. George Dantzig. simplex method. simplex method. linear programming. linear programming. The revised simplex method is mathematically equivalent to the standard simplex method but differs in implementation .. simplex method. simplex method. Instead of maintaining a tableau which explicitly represents the constraints adjusted to a set of basic variables , it maintains a representation of a basis of the matrix representing the constraints .. basis. Basis ( linear algebra ). matrix. Matrix ( mathematics ). The matrix-oriented approach allows for greater computational efficiency by enabling sparse matrix operations .. matrix. Matrix ( mathematics )
not_related.