Assertion: group's unit | /r/HasAspect | active branch offices
Facets:
value: throughout china
type: LOCATION
value: throughout southeast asia
type: LOCATION
Source sentences:
text: Unit 731 was based at the Pingfang district of Harbin, the largest gas chamber in the Japanese puppet state of Manchukuo (now Northeast China), and had active branch offices throughout China and Southeast Asia.