With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Leighton Meester is a woman who acts.
text_B: In computational mechanics , Guyan reduction , also known as static condensation , is a dimensionality reduction method which reduces the number of degrees of freedom by ignoring the inertial terms of the equilibrium equations and expressing the unloaded degrees of freedom in terms of the loaded degrees of freedom .. computational mechanics. computational mechanics. dimensionality reduction. dimensionality reduction
not_related.