With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Frederick Trump was born in the Kingdom of Bavaria in 1934.
text_B: Setting Fires may refer to  :. Setting Fires , a collaboration project by Mat Devine and Alain Whyte. Mat Devine. Mat Devine. `` Setting Fires -LRB- song -RRB- , a 2016 single by The Chainsmokers
not_related.