With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: A Liberty bond was only a climate bond.
text_B: Andrejevic is a Serbian surname , derived from the name Andrej .. Andrej. Andrej. It may refer to  :. Đorđe Andrejevic-Kun. Đorđe Andrejevic-Kun. Đorđe Andrejevic-Kun. Stevan Andrejevic-Palalija , Ottoman Serbian knez. Stevan Andrejevic-Palalija. Stevan Andrejevic-Palalija
not_related.