The Deserve the Future Tour was a worldwide concert tour by American rock supergroup Them Crooked Vultures. The tour began on August 9, 2009, and ran until July 30, 2010, after a run of shows in Japan, and visited North America, Europe and Oceania. The tour was in support of the band's debut album. Using only the above description and what you know about the world, "The Deserve the Future Tour ran for 4 years." is definitely correct, incorrect, or inconclusive? 