List some of the great houses that appear in the series "A Song of Ice and Fire."
Stark, Lannister, Baratheon, Tyrell, Arryn, Martell, Karstark, Mormont.
Instruction: List some of the great houses that appear in the series "A Song of Ice and Fire."
Context: 
Response: Stark, Lannister, Baratheon, Tyrell, Arryn, Martell, Karstark, Mormont.