With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Chris Brown collaborated with Bow Wow on a single.
text_B: Under the Autumn Star -LRB- Under Høststjærnen .. En Vandrers Fortælling -RRB- is the first book in Knut Hamsun 's `` wanderer trilogy . ''. Knut Hamsun. Knut Hamsun. It was published in 1906 in Kristiania -LRB- now Oslo -RRB- by Gyldendal .. Oslo. Oslo. Gyldendal. Gyldendal. The other books in the series are A Wanderer Plays on Muted Strings -LRB- 1909 -RRB- and The Last Joy -LRB- 1912 -RRB- .. A Wanderer Plays on Muted Strings. A Wanderer Plays on Muted Strings. The Last Joy. The Last Joy. The story 's main character , Knut Pedersen , is named after the author .. Pedersen flees the bustle of the city and seeks to return to the countryside .. He lives a wandering life , in which he joins casual acquaintances in seeking various work on different farms .. The protagonist is constantly in love and , as often in Hamsun 's books , these love affairs are completely unsuccessful .
not_related.