Premise: Khal Drogo is a fictional character in the A Song of Ice and Fire series of fantasy novels by American author George R. R. Martin , and its television adaptation Game of Thrones . Introduced in 1996 's A Game of Thrones , Drogo is a khal , a leader of the Dothraki , a tribe of warriors who roam the continent of Essos .
Hypothesis: Khal Drogo is a khal in A Game of Thrones.
Label: ENTAILMENT