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: Was the designer Long studied under at Yale born before 1940? Passage 1:Upon graduation from high school Long attended the College of William and Mary where he studied history and graduated in 1969, after spending many of his high school and undergraduate summers with his family at Manteo, North Carolina, where Mary, William, Robert, and Laura worked for Paul Green's outdoor drama, The Lost Colony. He then attended the University of North Carolina at Chapel Hill to pursue a Ph.D. in art history. At Chapel Hill he met visiting professor Betty Smith who suggested he apply to the design program at Yale University. He left UNC and went to the Yale School of Drama to study set design. It was here that he met Sigourney Weaver (his roommate at the time), Wendy Wasserstein, Meryl Streep, Christopher Durang, and Paul Rudnick, who were all also students at the university. While at Yale he studied under designer Ming Cho Lee, whom he has credited with being a major influence on his work.
 Passage 2:Diagnosis of MCC begins with a clinical examination of the skin and lymph nodes. Following, definitive diagnosis of Merkel cell carcinoma (MCC) requires examination of biopsy tissue to identify its histopathologic features. An ideal biopsy specimen is either a punch biopsy or a full-thickness incisional biopsy of the skin including full-thickness dermis and subcutaneous fat. On light microscopy, MCC shows basaloid tumor nests with neuroendocrine features ("salt and pepper" chromatin, scarce cytoplasm, and brisk mitotic activity). In addition to standard examination under light microscopy, immunohistochemistry (IHC) is also generally required to differentiate MCC from other morphologically similar tumors such as small cell lung cancer, the small cell variant of melanoma, various cutaneous leukemic/lymphoid neoplasms, and Ewing's sarcoma. Similarly, most experts recommend longitudinal imaging of the chest, typically a CT scan, to rule out that the possibility that the skin lesion is a skin metastasis of an underlying small cell carcinoma of the lung. Once an MCC diagnosis is made, a sentinel lymph node biopsy is recommended as a part of the staging work-up needed to determine prognosis and subsequent treatment options.
 Passage 3:Dekanozov studied in the medical schools of Saratov University and Baku University. In 1918 he entered the Red Army, and in 1920 he joined the Bolshevik Party. From 1918 he worked as a secret agent in Transcaucasia, first in the People's Commissariat for Health of the short-lived Azerbaijan Democratic Republic, then in private oil companies. After the invasion of Azerbaijan by the Red Army, Dekanozov worked for the Cheka of Azerbaijan SSR, where he befriended Lavrenty Beria, who subsequently supported Dekanozov. In 1921–27 Dekanozov worked for the Cheka in Azerbaijan, Georgia, and Transcaucasia. In 1927 he became an instructor of the Central Committee of the Communist Party of Georgia. In 1928–1931 he worked as one of the leaders of the Georgian and Transcaucasian OGPU. In 1931 he became a secretary of the Central Committee of the Communist Party of Georgia. From 1936 he was the Narkom of the food industry of Georgia, and from 1937 he simultaneously worked as the Chairman of Gosplan of Georgia and a deputy Chairman of Georgian Sovnarkom. He was a deputy of the Supreme Soviet of the USSR in 1937–50.
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