Given the task definition and input, reply with output. 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: How long was he married to Artystone? Passage 1:Upon completion of his degree studies at Brera in early 1939, he was drafted by the Italian military for service in World War II. He was deployed to Slovenia, and later to Sicily and Albania, and when his tours of duty were complete, he would participate in art exhibitions. He continued to paint during his service, even when on the front lines, committing to canvas images of "dramatic testimonials" considered prohibited, such as Albanian villages razed by Italian troops. At the end of the war, he also began working on frescoes, glass art, and mosaic art. In 1942, he exhibited works at the Venice Biennale and at the Mostra degli artisti in armi ("Artists in arms") exhibit at the Palazzo delle Esposizioni in Rome, where he presented three watercolours and seven pen drawings, all having a war theme. By this time, he was a sergeant for the Genio Ferrovieri. His first personal exhibition occurred in 1943 and was presented by Raffaello Giolli at the Galleria La Rotonda in Bergamo. He dedicated himself to teaching and the creation of works of sacred art in 1945. He would exhibit at the Venice Biennale again in 1948, 1950, 1956, and 2011, and was invited to exhibit at the Rome Quadriennale in 1952.
 Passage 2:In 1836 de Soysa bid for the Diyatalawa kanda 'Kings Garden-Rajmal Uyana' in Hanguranketa (against British planters such as George Bird) at the request of the administrative officer of the region that had been appointed by king Sri Vikrama Rajasinha. This was an overgrown coffee (flower) estate previously used by the Kandyan kings as a country retreat. He also purchased many of the cinnamon estates that were previously owned by the Dutch administration in Moratuwa, Ratmalana, Dambuwa and Katunayake, citronella plantations in Ahangama and coconut plantatins throughout the island. His land holdings in Colombo consisted of several estates that stretched between Galle Face and Panadura. The De Soysa and Peiris family established the first Ceylonese-owned bank, the Bank of Kandy at Dalada weediya and Pettah, Colombo in 1839 & 1860, becoming the largest native commercial enterprise of the era at a time when European owned banks were reluctant to extend credit to the Ceylonese and the high interest rates of the Nattukkottai Chettiars. De Soysa was also reputed for his treatment of employees and had relied to a greater extent on the low country population. He played a significant role in improving agriculture and the infrastructure in the Kandyan province and the coastal districts.
 Passage 3:Darius was the son of Hystaspes and the grandson of Arsames. Both men belonged to the Achaemenid tribe and were still alive when Darius ascended the throne. Darius justifies his ascension to the throne with his lineage. He claimed he could trace his ancestors back to Achaemenes, even though he was only distantly related. With this in mind, Darius married Atossa, daughter of Cyrus, with whom he had four sons: Xerxes, Achaemenes, Masistes and Hystaspes. He also married Artystone, another daughter of Cyrus, with whom he had two sons, Arsames and Gobryas. Darius married Parmys, the daughter of Bardiya, with whom he had a son, Ariomardus. Furthermore, Darius married Phratagune, with whom he had two sons, Abrokomas and Hyperantes. He also married another woman of the nobility, Phaidyme, the daughter of Otanes. It is unknown if he had any children with her. Before these royal marriages, Darius had married an unknown daughter of his good friend and lance carrier Gobryas from an early marriage, with whom he had three sons, Artobazanes, Ariabignes and Arsamenes. Any daughters he had with her are not known. Although Artobazanes was Darius's first-born, Xerxes became heir and the next king through the influence of Atossa; she had great authority in the kingdom as Darius loved her the most of all his wives.
3