With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Terminator Salvation is an American novella.
text_B: Dmitry Anatolyevich Chernyshov -LRB- also Tchernychev or Chernychev , Дмитрии Анатольевич Чернышев born 29 September 1975 -RRB- is a retired Russian swimmer .. Between 1999 and 2001 he won six medals in relay events at the European and world championships .. His team finished eighth in two freestyle relays at the 2000 Summer Olympics .. 2000 Summer Olympics. 2000 Summer Olympics. He graduated from the Siberian Academy of Physical Culture .. Siberian Academy of Physical Culture. Siberian Academy of Physical Culture
not_related.