With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Bobby Moore was a footballer.
text_B: The Berlin Street Circuit is a street circuit located along the Karl-Marx-Allee in Berlin , Germany .. Berlin. Berlin. Germany. Germany. street circuit. street circuit. Karl-Marx-Allee. Karl-Marx-Allee. It is used for the Berlin ePrix of the single-seater , electrically powered Formula E championship .. Berlin. Berlin. Formula E. Formula E. Berlin ePrix. Berlin ePrix. single-seater. open-wheel car. electrically powered. Electric car. Its first use was on 21 May 2016 during the 2016 Berlin ePrix .. Berlin. Berlin. 2016 Berlin ePrix. Berlin ePrix. Berlin ePrix. 2016 Berlin ePrix. 2016 Berlin ePrix
not_related.