With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Abraham Lincoln lost a presidential race to Stephen A. Douglas.
text_B: Wonders of the Monsoon -LRB- also known as Lands of the Monsoon -RRB- is a BBC documentary series which ran for five episodes between 5 October 2014 and 2 November 2014 , and aired on BBC Two .. BBC Two. BBC Two. The series focus for a variety of locations around the world features including India , Australia and islands of the Pacific Ocean which are all the focus of the monsoon rains .. India. India. Australia. Australia. Pacific Ocean. Pacific Ocean. The series was composed by Nitin Sawhney and narrated by Colin Salmon .. Colin Salmon. Colin Salmon. Nitin Sawhney. Nitin Sawhney
not_related.