With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Sam Worthington was in avatar.
text_B: Samuel Henry John Worthington -LRB- born 2 August 1976 -RRB- is a British-born Australian actor .. actor. actor. He played the main character role of Alex Mason in the Call of Duty  : Black Ops series .. He portrayed the protagonist Jake Sully in the 2009 film Avatar ; Marcus Wright in Terminator Salvation ; and Perseus in Clash of the Titans and its sequel , Wrath of the Titans ; before transitioning to more dramatic roles , in Everest -LRB- 2015 -RRB- and Hacksaw Ridge -LRB- 2016 -RRB- .. protagonist. protagonist. Avatar. Avatar ( 2009 film ). Terminator Salvation. Terminator Salvation. Perseus. Perseus. Clash of the Titans. Clash of the Titans ( 2010 film ). Wrath of the Titans. Wrath of the Titans. Everest. Everest ( 2015 film ). Hacksaw Ridge. Hacksaw Ridge. In 2004 , Worthington received Australia 's highest film award for his lead role in Somersault .. Somersault. Somersault ( film ). He performed predominantly in leading roles in a variety of low-budget films before moving to major studio films , ranging from romantic drama and comedy-drama to science fiction and action .
related.