With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: K2 has a nickname.
text_B: `` Thief '' is a song by Canadian alternative rock group Our Lady Peace .. Canadian. Canada. rock. rock music. group. music ensemble. Our Lady Peace. Our Lady Peace. It was released in March 2000 as the third and final single from their third album Happiness ... Is Not a Fish That You Can Catch .
not_related.