premise: Ezhou () is a prefecture-level city in eastern Hubei Province, China. As of the 2010 census, the city had a population of 1,048,668, of which 668,727 lived in the core Echeng District. The Ezhou - Huanggang built-up ("or metro") area was home to 1,035,496 inhabitants from the Echeng and Huangzhou, Huanggang Districts.
hypothesis: As of 2010 census, 1,048,668 people occupy the Echeng District of Ezhou. 
reason: Only  668,727live in the core Echeng District, while 1,048,668 people live in Ezhou as a whole as of 2010. 