With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Rosamund Pike worked with a director.
text_B: Tkachuk , Tkaczuk , or Tkatchuk -LRB- Ukrainian  : Ткачук -RRB- is a common Ukrainian surname in Ukraine and the Ukrainian diaspora .. Ukrainian. Ukrainian language. Ukraine. Ukraine. Ukrainian diaspora. Ukrainian diaspora. The name in Ukrainian stands for the name of occupation , weaver .. Ukrainian. Ukrainian language. weaver. weaver ( occupation ). The names that end in - chuk or - czuk are of the western Ukrainian origin .. Ukrainian. Ukrainian language. David Tkachuk , Canadian Senator. David Tkachuk. David Tkachuk. Kevin Tkachuk , Canadian rugby player. Kevin Tkachuk. Kevin Tkachuk. Keith Tkachuk , American professional ice hockey player. Keith Tkachuk. Keith Tkachuk. Matthew Tkachuk , American ice hockey player. Matthew Tkachuk. Matthew Tkachuk. Andriy Tkachuk , a Ukrainian footballer. Ukrainian. Ukrainian language. Andriy Tkachuk. Andriy Tkachuk. Oleksandr Tkachuk , a Ukrainian footballer. Ukrainian. Ukrainian language. Oleksandr Tkachuk. Oleksandr Tkachuk. Yevhen Tkachuk , a Ukrainian footballer. Ukrainian. Ukrainian language. Yevhen Tkachuk. Yevhen Tkachuk. David Tkachuk , Canadian composer , Pianist. David Tkachuk. David Tkachuk
not_related.