With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: The OA is an HBO movie.
text_B: Ideguchi -LRB- written  : 井手口 -RRB- is a Japanese surname .. Notable people with the surname include  :. , Japanese footballer. , Japanese footballer. , Japanese footballer. Category  : Japanese-language surnames
not_related.