Definition: Given a document, generate a short title of the document. The title should convey the main idea/event/topic about which the document is being written. Note that URLs in the text have been replaced with [Link].
Input: Kim Yo Jong  the younger sister of North Korean leader Kim Jong Un  arrived in South Korea with the North Korean delegation on Feb. 9 for the Winter Olympics. (Reuters)
Those on their feet included South Korean President Moon Jae-in and the two senior North Koreans sent to the Opening Ceremonies — Kim Yo Jong  the sister of leader Kim Jong Un  and Kim Yong Nam  North Korea’s official head of state.
Moon warmly greeted  Kim Yo Jong  at Friday’s ceremony.  He  will host  her  and the other senior North Korean officials for lunch on Saturday.
 Choe and Kim Yo Jong  also are both under direct American sanctions for human rights abuses related to  their  roles in censoring information in North Korea.

Olympics open with dazzling spectacle and warm gestures between the Koreas