With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Joffrey Baratheon is the son of Cersei Lannister.
text_B: Joffrey Baratheon is a fictional character in the A Song of Ice and Fire series of epic fantasy novels by American author George R. R. Martin , and its television adaptation Game of Thrones .. A Song of Ice and Fire. A Song of Ice and Fire. Game of Thrones. Game of Thrones. George R. R. Martin. George R. R. Martin. fictional character. fictional character. epic fantasy. epic fantasy. Introduced in 1996 's A Game of Thrones , Joffrey is the eldest son of Cersei Lannister from the kingdom of Westeros .. Game of Thrones. Game of Thrones. A Game of Thrones. A Game of Thrones. Cersei Lannister. Cersei Lannister. Westeros. Westeros. He subsequently appeared in Martin 's A Clash of Kings -LRB- 1998 -RRB- and A Storm of Swords -LRB- 2000 -RRB- .. A Storm of Swords. A Storm of Swords. A Clash of Kings. A Clash of Kings. Joffrey is portrayed by Irish actor Jack Gleeson in the HBO television adaptation .. Jack Gleeson. Jack Gleeson. HBO. HBO. In 2016 , Rolling Stone ranked the character # 4 in their list of the `` 40 Greatest TV Villains of All Time '' .. Rolling Stone. Rolling Stone
related.