You will be given a definition of a task first, then some input of the task.
In this task, you are given a question and a context passage. You have to answer the question based on the given passage.

what group is mentioned third?, Context: Davis and his cabinet left the city by train that night, as government officials burned documents and departing Confederate troops burned tobacco and other warehouses to deny their contents to the victors. On April 2, 1865, General Godfrey Weitzel, commander of the 25th corps of the United States Colored Troops, accepted the city's surrender from the mayor and group of leading citizens who remained. The Union troops eventually managed to stop the raging fires but about 25% of the city's buildings were destroyed-
Output:
Confederate troops