question: Where was the father of John A. Thayer born?
context: [["Brynn Thayer", ["Brynn Thayer( born October 4, 1949) is an American actress, known for her roles on television."]], ["Stella F. Thayer", ["Stella F. Thayer( born December 27, 1940 in Tampa, Florida) is president of the National Museum of Racing and Hall of Fame."]], ["Jeritt Thayer", ["Jeritt Thayer( born May 3, 1986 in Corona del Mar, California) is a former American soccer player."]], ["Eli Thayer", ["Eli Thayer (June 11, 1819 \u2013 April 15, 1899) was a member of the United States House of Representatives from 1857 to 1861.", "He was born in Mendon, Massachusetts.", "He graduated from Worcester Academy in 1840, from Brown University in 1845, and in 1848 founded Oread Institute, a school for young women in Worcester, Massachusetts.", "He is buried at Hope Cemetery, Worcester.", "He is chiefly remembered for his crusade to ensure that the Kansas Territory would enter into the United States as a free state.", "With this aim in view, early in 1854 Thayer organized the Massachusetts Emigrant Aid Company to send anti-slavery settlers to the Kansas Territory.", "In 1855, this organization joined with the New York Emigrant Aid Company and the name was changed to the New England Emigrant Aid Company.", "The motives of Thayer in establishing the New England Emigrant Aid Company were questioned by historian David S. Reynolds who wrote that Thayer \"opposed slavery not on moral grounds but because [he] wanted to foster laissez-faire capitalism in the Territory\"\nLocal leagues were established whose members emigrated to Kansas and established towns.", "The Company provided hotels for temporary accommodation (such as the Free State Hotel in Lawrence) and provided sawmills and other improvements.", "Settlements were established at Manhattan, Lawrence, Topeka, and Osawatomie.", "The clash of these settlers and other \"Free-Stater\" Northerners with pro-slavery settlers spawned the violence of Bleeding Kansas.", "Thayer wanted to establish an antislavery colony in Virginia, but land was too expensive.", "He then looked to western Virginia.", "Thayer chose to build his colony at the mouth of Twelvepole Creek in Wayne County, Virginia now West Virginia.", "He named his town Ceredo after the goddess Ceres.", "The town was founded in 1857.", "He enlisted fellow abolitionist Zopher D. Ramsdell to settle there and establish a boot and shoe factory.", "It is open as a historic house museum."]], ["John A. Thayer", ["John Alden Thayer (December 22, 1857 \u2013 July 31, 1917) was a Representative from Massachusetts.", "He was born in Worcester, Massachusetts.", "He was the son of Eli Thayer.", "He graduated from Harvard College in 1879.", "He studied law at Columbia Law School in New York City.", "He was admitted to the bar in 1889 and was a clerk of the central district court of Worcester from 1892 to 1897.", "He was elected as a Democrat to the Sixty-second Congress from March 4, 1911 to March 3, 1913.", "He failed reelection in 1912 to the Sixty-third Congress.", "He was a delegate to the Democratic National Convention in 1912.", "In 1915, he was appointed postmaster of Worcester, and served until his death."]], ["Nancy Thayer", ["Nancy Thayer( born December 14, 1943) is an American novelist who has written thirty- one books."]], ["Greg Thayer", ["Gregory Allen Thayer( born October 23, 1949) was a pitcher in Major League Baseball.", "He played for the Minnesota Twins in 1978."]], ["Max Thayer", ["Michael\" Max\" Thayer( born June 18, 1946) is an American movie actor."]], ["Obata Toramori", ["He was the father of Obata Masamori."]], ["Lorna Thayer", ["Lorna Thayer( born Lorna Patricia Casey; August 16, 1919 \u2013 June 4, 2005) was an American character actress."]]]
supporting_facts: [["John A. Thayer", 2], ["Eli Thayer", 1]]
evidences: [["John Alden Thayer", "father", "Eli Thayer"], ["Eli Thayer", "place of birth", "Mendon, Massachusetts"]]
answer: Mendon, Massachusetts