With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Superman has been portrayed by an American.
text_B: Curro is an Andalusian diminutive of the male given name Francisco .. Francisco. Francisco. Curro. Curro ( mascot ). It may refer to  :. Curro Romero. Curro Romero. Curro Romero. Curro. Curro ( mascot ). Curro Torres. Curro Torres. Curro Torres. Curro. Curro ( mascot ). Curro Jimenez. Curro Jimenez. Curro Jimenez. Curro. Curro ( mascot ). Curro , the Seville Expo '92 mascot. Curro. Curro ( mascot )
not_related.