With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Carbon is a chemical element with the atomic number 6.
text_B: Las pellizcadas de Margara was a television show from the Mexican TV network Telehit hosted by Eduardo Espana in his character Dona Margara Francisca .. Eduardo Espana. Eduardo Espana. Telehit. Telehit. Dona Margara Francisca. Dona Margara Francisca
not_related.