With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: London was at first a settlement named Londinium in the year 43.
text_B: The Battle of the North is an annual cricket match played between Jaffna Central College and St. John 's College , Jaffna , two schools in northern Sri Lanka .. Jaffna Central College. Jaffna Central College. annual cricket match. Big Match. Sri Lanka. Sri Lanka. The first match took place in 1904 .. The match is also known as the Battle of the Blues and is played over three days .
not_related.