 Complete the following phrase:  Um competed at the 2014 Winter Olympics for South Korea. She teamed with Kim Ji-sun, Lee Seul-bee, Shin Mi-sung and Gim Un-chi in the womens tournament. She began the tournament as the alternate, but played lead in five of the teams last six games, as the South Korean team went 36 to finish in a tie for 8th. She curled 85, which was 6th out of the 10 leads. Later that year, Um made her World Curling Championships at the 