With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Pierrot is renowned for Yu Yu Hakusho.
text_B: Cook Islands Round Cup is the top division of the Cook Islands Football Association in Cook Islands .. Cook Islands Football Association. Cook Islands Football Association. Cook Islands. Cook Islands. The winner qualifies to the OFC Champions League .. OFC. Oceania Football Confederation. OFC Champions League. OFC Champions League
not_related.