With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Vanilla Sky stars an actor whose birthday is on March 17.
text_B: is a dam in the Gifu Prefecture of Japan .. Gifu Prefecture. Gifu Prefecture. Japan. Japan. dam. dam. Construction of the dam was completed by 1936 .. dam. dam. Its height is 40.8 m and its maximum power output -LRB- from the power plant -RRB- is 41,700 kW .
not_related.