You will be given a definition of a task first, then an example. Follow the example to solve a new instance 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 is the first event mentioned?, Context: The Russian Revolution is the series of revolutions in Russia in 1917, which destroyed the Tsarist autocracy and led to the creation of the Soviet Union. Following the abdication of Nicholas II of Russia, the Russian Provisional Government was established. In October 1917, a red faction revolution occurred in which the Red Guard, armed groups of workers and deserting soldiers directed by the Bolshevik Party, seized control of Saint Petersburg (then known as Petrograd) and began an immediate armed takeover of cities and villages throughout the former Russian Empire.
Solution: Russian Revolution
Why? This is a good example, and the Russian Revolution is the first event mentioned.

New input: Who was most likely responsible for taking a life?, Context: After his arrival in 1674, Captain Damian de Esplana ordered the arrest of rebels who attacked the population of certain towns. Hostilities eventually led to the destruction of villages such as Chochogo, Pepura, Tumon, Sidia-Aty, Sagua, Nagan and Ninca.:74–75 Starting in June 1676, the first Spanish Governor of Guam, Capt. Francisco de Irrisarri y Vinar controlled internal affairs more strictly than his predecessors in order to curb tensions. He also ordered the construction of schools, roads and other infrastructure.:75–76 Later, Capt. Jose de Quiroga arrived in 1680 and continued some of the development projects started by his predecessors. He also continued the search for the rebels who had assassinated Father San Vitores, resulting in campaigns against the rebels which were hiding out in some islands, eventually leading to the death of Matapang, Hurao and Aguarin.:77–78 Quiroga brought some natives from the northern islands to Guam, ordering the population to live in a few large villages.:78–79 These included Jinapsan, Umatac, Pago, Agat and Inarajan, where he built a number of churches.:79 By July 1695, Quiroga had completed the pacification process in Guam, Rota, Tinian and Aguigan.:85
Solution:
rebels