With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Carol Leifer is an American Army sergeant.
text_B: The 69th Wales Rally GB was the thirteenth round of the 2013 World Rally Championship season and was held between 14 and 17 November 2013 .. 2013 World Rally Championship. 2013 World Rally Championship season. Wales. Wales. Wales Rally GB. Wales Rally GB. 2013 World Rally Championship season. 2013 World Rally Championship season. This was the year the base of the rally moved from south to north Wales .. Wales. Wales. north Wales. north Wales
not_related.