Premise: Gregor Clegane . Ser Gregor Clegane is a huge knight and the elder brother of Sandor Clegane . Sandor Clegane , nicknamed The Hound , 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 .
Hypothesis: Gregor Clegane's younger brother is also known as The Hound.
Label: ENTAILMENT