With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Jackie Robinson's uniform number was 36.
text_B: Johann Matthias Gesner -LRB- 9 April 1691 -- 3 August 1761 -RRB- was a German classical scholar and schoolmaster .. German. Germany. classical scholar. classical scholar. schoolmaster. schoolmaster
not_related.