With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Winona Ryder has been in American films.
text_B: In economics , coordination goods are a form of good created by the coordination of people within civil society .. economics. economics. good. good ( economics ). civil society. civil society. Coordination goods are non-rivalrous , but may be partially excludable through the means of withholding cooperation from a non-cooperative state .
not_related.