With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Genghis Khan established the Mongol Empire.
text_B: Ethan and Grayson Dolan -LRB- born December 16 , 1999 -RRB- , collectively known as The Dolan Twins , are an American comedy duo who rose to prominence in May 2013 on the video sharing application Vine .. American. United States. Vine. Vine ( service ). They are currently signed to AwesomenessTV , and have been since 2015 .. AwesomenessTV. AwesomenessTV. The twins are from the Long Valley section of Washington Township , Morris County , New Jersey .. Long Valley. Long Valley, New Jersey. Since their beginnings , the duo has accumulated over 6.4 million followers on Vine and 3 million subscribers on YouTube , and embarked on a world tour titled the `` 4OU '' Tour in 2016 .. Vine. Vine ( service ). The duo was also involved in a Twitter ad campaign for the social network 's new stickers feature .. Twitter. Twitter. At the 2016 Teen Choice Awards , the duo won the awards for Choice Web Star  : Male and Choice YouTuber .. 2016 Teen Choice Awards. 2016 Teen Choice Awards
not_related.