<human>: Question: When did the Yuan dynasty rule?
Answer: Kublai Khan did not conquer the Song dynasty in South China until 1279, so Tibet was a component of the early Mongol Empire before it was combined into one of its descendant empires with the whole of China under the Yuan dynasty (1271–1368).
 Is the question answered in a satisfactory fashion?

OPTIONS:
- yes
- no
<bot>: yes