With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Julianne Hough sings.
text_B: The AFC Third Round of 2006 FIFA World Cup qualification began on 9 February 2005 and finished on 17 August 2005 .. 2006 FIFA World Cup qualification. 2006 FIFA World Cup qualification. 2006 FIFA World Cup. 2006 FIFA World Cup. The top two countries in each group at the end of the stage qualified for the 2006 FIFA World Cup , while the third-placed teams entered a play-off to determine an entrant for the play-off with the fifth-placed CONCACAF team .. 2006 FIFA World Cup. 2006 FIFA World Cup. play-off. 2006 FIFA World Cup qualification – AFC Fourth Round. play-off with the fifth-placed CONCACAF team. 2006 FIFA World Cup qualification ( AFC-CONCACAF play-off )
not_related.