With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Little Mix's album was in the top ten in the UK and the US.
text_B: Gymnothorax randalli is a moray eel found in the Pacific and Indian Oceans .. moray eel. moray eel. Pacific. Pacific. It was first named by Smith and Bohlke in 1997 , and can reach a maximum length of approximately 36 centimetres .
not_related.