Given the task definition and input, reply with output. In this task, you will be shown an extract from a movie plot and a question. You need to provide the correct answer for it. Short answers containing words that are present in the passage are preferred.

Seoul, in the 1940s, under the Japanese rule. A Diamond, the national soul, "The light of East" on the legend appears! The Japanese military make an effort to fine the Diamond which was on Seok-Gul-Am. Finally, A general of military get it. He opens a party for winning and sending the diamond to Japan... The best of prfessional defrauders in Seoul starts to the project of shaking Cho-sun history. Bong-gu proposes Choon-ja, jazz singer, to go to the party to use her beauty to steal the diamond. Choon-ja also is the best of robbers, the other name of hers is "HaeDangHwa", has a plan to steal diamond. Each other start to steal the diamond..., Question: Who proposes that Choon-ja, jazz singer, goes to the party to use her beauty to steal the diamond?
Answer: Bong-gu