With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Lockheed Martin F-22 Raptor always functioned perfectly.
text_B: Heldon Augusto Almeida Ramos -LRB- born 14 November 1988 -RRB- , known simply as Heldon and sometimes nicknamed Nhuck -LRB- pronounced -LSB- ɲuk -RSB- -RRB- , is a Cape Verdean professional footballer who plays for Portuguese club Rio Ave F.C. on loan from Sporting Clube de Portugal as an attacking midfielder .. Rio Ave. Rio Ave F.C.. footballer. Association football. Sporting Clube de Portugal. Sporting Clube de Portugal. attacking midfielder. Midfielder#Attacking midfielder. Sporting. Sporting Clube de Portugal. He spent most of his career in Portugal , primarily in representation of Maritimo , and joined Sporting in 2014 .. Maritimo. C.S. Maritimo. Sporting. Sporting Clube de Portugal. A full international since 2008 , Heldon played for Cape Verde at two Africa Cup of Nations tournaments .. Cape Verde. Cape Verde national football team. Africa Cup of Nations. Africa Cup of Nations
not_related.