In this task, you're given a question, along with three passages, 1, 2, and 3. Your job is to determine which passage can be used to answer the question by searching for further information using terms from the passage. Indicate your choice as 1, 2, or 3.

Question: Who is the current mayor of the city where the weather was continuously monitored after the U.S. Army established a fort? Passage 1:In 1625, at Lake Kurukove in Kremenchuk, the Treaty of Kurukove was signed between the Cossacks and the Poles. Since the establishment of Cossack Hetmanate, the city was part of the Chyhyryn Polk (regiment). Following the Russo-Polish War (1654–1667) and Treaty of Andrusovo, the city was secured by Tsardom of Russia and became part of the Myrhorod Polk (regiment) within the left-bank Cossack Hetmanate. The city played a key role of the Russian colonization policy of Ukraine and their strive for the shores of Black Seas as regional administrative center of the early Novorossiya Governorate and Yekaterinoslav Vice-regency (Namestnichestvo). With creation of Novorossiya Governorate, in Kremenchuk was created Dnieper Pikers Regiment and coincidentally few years later (1768–69) in the neighboring regions of Poland started out so called Koliyivshchyna (literally the Piker's unrest). Here in 1786 started his military career the Russian general Alexander Suvorov when he was appointed a commander the local garrison (in preparation of the 1787–1792 Russo-Turkish War). 
 Passage 2:The National Weather Service Boise, Idaho is a weather forecast office responsible for weather forecasts, warnings and local statements as well as aviation weather forecasts and fire weather forecasts for 3 counties in Southeast Oregon and 14 counties in Southwest and South central Idaho. The U.S. Weather Bureau established an office in the Sonna Building on December 1, 1898. Since then, the U.S Weather Bureau office, now known as the National Weather Service forecast office gained forecast responsibility of Southern Idaho on June 22, 1970 which was expanded to the entire state of Idaho in 1973. After modernization in 1993, the forecast responsibility was changed to Southeast Oregon and Southwest Idaho. The current office in Boise maintains a WSR-88D (NEXRAD) radar system, 8 Automated airport weather station (ASOS) systems and Advanced Weather Interactive Processing System (AWIPS) that greatly improve forecasting in the region. Continuous weather observations have been maintained for the city of Boise since February 1, 1864 about 5 months after the U.S. Army established Fort Boise. The post surgeon for the U.S. Army took observations until July 1, 1877 when the U.S. Signal Service, established an office downtown. The Signal Office was discontinued on July 1, 1890.
 Passage 3:Vincent Dilorenzo was the son of Michele DiLorenzo (born in Naples, Italy – death unknown) and Ada Susannah H. (née Gittins, birth registered first ¼ 1872 in Aston district – death registered second ¼ 1948 (aged 76) in Warrington district). Vincent Dilorenzo's marriage to Ida M. (née Murphy, born 10 January 1917, birth registered first ¼ 1917 in North Bierley (Bradford) district – death registered first ¼ 1979 (aged 61–62) in Warrington district) was registered during first ¼ 1937 in Bradford district. They had children; Ann Dilorenzo (birth registered fourth ¼ in Warrington district), Michele Dilorenzo (birth registered third ¼ in Warrington district), Terence Dilorenzo (birth registered second ¼ 1947 in Warrington district – death unknown), and Kevin Dilorenzo (birth registered fourth ¼ in Warrington district).
2