With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Bridget Moynahan tried to have a career in modeling.
text_B: National champion may refer to  :. The winner of a national championship in sports or other contests. national championship. national championship. A large company dominant in its field and favoured by the government of the country in which it is based ; see economic nationalism. economic nationalism. economic nationalism. National champions. National champions. National champions
not_related.