Premise: A Dance with Dragons is the fifth of seven planned novels in the epic fantasy series A Song of Ice and Fire by American author George R. R. Martin . A Game of Thrones is the first novel in A Song of Ice and Fire , a series of fantasy novels by American author George R. R. Martin . Cersei Lannister . Introduced in 1996 's A Game of Thrones , Cersei is a member of House Lannister , one of the wealthiest and most powerful families in the kingdom of Westeros .
Hypothesis: Cersei Lannister is in the book series A Song of Ice and Fire by George R. R. Martin.
Label: ENTAILMENT