Question: Which organization runs the Christian feast day celebrated on 13 December in Advent?
Sentence (from "Saint Lucy's Day"): Saint Lucy's Day, also called the Feast of Saint Lucy, is a Christian feast day celebrated on 13 December in Advent, commemorating Saint Lucy, a 3rd-century martyr under the Diocletianic Persecution, who according to legend brought "food and aid to Christians hiding in the catacombs" using a candle-lit wreath to "light her way and leave her hands free to carry as much food as possible".
Relevant evidence: Yes