Premise: 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 . Introduced in 1996 's A Game of Thrones , Joffrey is the eldest son of Cersei Lannister from the kingdom of Westeros .
Hypothesis: Joffrey Baratheon is a character in A Game of Thrones.
Label: ENTAILMENT