Premise: A Clash of Kings is the second novel in A Song of Ice and Fire , an epic fantasy series by American author George R. R. Martin expected to consist of seven volumes . Tyrion Lannister . He subsequently appeared in Martin 's A Clash of Kings ( 1998 ) and A Storm of Swords ( 2000 ) .
Hypothesis: Tyrion Lannister is a character in fiction.
Label: ENTAILMENT