Question: Master of Study starred the actress who had a role as a political activist in what 2002 film?
Sentence (from "Bae Doona"): She first became known outside Korea for her roles as a political activist in Park Chan-wook's "Sympathy for Mr. Vengeance" (2002), archer Park Nam-joo in Bong Joon-ho's "The Host" (2006), and as an inflatable sex doll-come-to-life in Hirokazu Koreeda's "Air Doll" (2009).
Relevant evidence: Yes