With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Sansa Stark is a character in mythology.
text_B: Citraconic acid is an organic compound with the formula CH3C2H -LRB- CO2H -RRB- 2 .. organic compound. organic compound. It is a white solid .. It is the cis-isomer of mesaconic acid .. isomer. isomer. mesaconic acid. mesaconic acid. It is one of the pyrocitric acids formed upon the heating of citric acid .. citric acid. citric acid. Citraconic acid can be produced , albeit inefficiently , by oxidation of xylene and methylbutanols .. The acid displays the unusual property of spontaneously forming the anhydride , which , unlike maleic anhydride , is a liquid at room temperature .. maleic anhydride. maleic anhydride. In the laboratory , citraconic acid can be produced by heating , itaconic acid anhydride to give citraconic acid anhydride , which can be hydrolyzed to citraconic acid .. itaconic acid. itaconic acid. The required itaconic acid anhydride is obtained by dry distillation of citric acid .. citric acid. citric acid. itaconic acid. itaconic acid
not_related.