In the context of the input sentence, determine the relationship between 'Wanda Group' and 'Dalian'.
Options: member of, product/material produced, owner of, location of formation

** The entertainment arm of Chinese property conglomerate Dalian Wanda Group said on Friday it would lead an almost 6 billion yuan ($967 million) investment into one of China's biggest travel websites, its first foray into online tourism.
location of formation