With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: In & Out was directed by exclusively a woman.
text_B: Historic preservation -LRB- US -RRB- , heritage preservation or heritage conservation -LRB- UK -RRB- , is an endeavour that seeks to preserve , conserve and protect buildings , objects , landscapes or other artifacts of historical significance .. The term tends to refer specifically to the preservation of the built environment , and not to preservation of , for example , primeval forests or wilderness .
not_related.