In this task, you're given a question, a context passage, and four options which are terms from the passage. After reading a passage, you will get a brief understanding of the terms. Your job is to determine by searching and reading further information of which term you can answer the question. Indicate your choice as 'a', 'b', 'c', or 'd'. If you think more than one option is plausible, choose the more probable option to help you answer the question.

Input: Consider Input: Question: Who was older during their time at Sports Fan Radio Network, Pete Rose or Pat O'Brian? Passage:By 1994, SportsFan expanded to a 24/7 format, seven days a week. The signature show, SportsFan Tonight moved its broadcast location from the MGM Grand Las Vegas in 1994. Later it moved to the sportsbook at the Mandalay Bay. The daily line up included baseball's all-time hit leader Pete Rose, as well as a stable of young talent. Others hosting shows over the years included former NFL QB Sean Salisbury, former NFL All-Pro Tim Ryan, Fox and CBS host James Brown, longtime broadcaster Pat O'Brien, former NBA coach Matt Goukas, NHL great Phil Esposito, former NFL All-Pro Bob Golic and former NCAA basketball coaches Bill Frieder and Fran Fraschilla. Other hosts included Bruce Schein, Chris Russo (now Russell), J. T. the Brick, Steve Cofield, Rob Tepper, Chuck Powell, Ryan Williams,Marty Tirrell, Ken Miller, Soren Petro, Rob Fischer, Mike "The Sports Pig" Responts, John Phillips, John Rabe, Brandon Tierney, Jim Brinson, Chad Andrus. Scott Ferrall, Dave Cokin, Eric Pollero, Tim Neverett and others. By the late '90s, SportsFan partnered with CBS Sportsline to broadcast two shows daily. One program was hosted by Craig Carton, the other "The Drive" with Scott Kaplan and Sid Rosenberg. Later they landed a handful of other significant names, including Nanci Donellan (a.k.a. "The Fabulous Sports Babe") from ESPN Radio. Keith Olbermann also hosted a few shows.
Links: a. Phil Esposito b. Sean Salisbury c. Pete Rose d. Keith Olbermann

Output: c

Input: Consider Input: Question: What was the minimum sentence for possession of marijuana in Hong Kong in 1976? Passage:Mayer was born in El Paso, Texas, to Jesse and Margott Mayer. After his father died two years later, his penniless mother moved him and his brother Aubrey to New Orleans; she then entered nursing school and placed the children in an orphanage. As a teenager, Mayer attended a trade school where he trained as a tool and die maker. He left New Orleans and spent much of the 1930s travelling from job to job from Nome, Alaska, to the Caribbean, working in a rubber plant and in gold mines among other jobs. He was drafted into the United States Navy in 1944 while living in Los Angeles and spent two years stationed at the San Diego Naval Station. He was discharged as a fireman first class and returned to a life of drifting, working in Miami as a machinist in the mid-1950s, as a hotel maintenance man in Puerto Rico, the Virgin Islands and Jamaica during the 1960s, and as a helicopter mechanic in South Vietnam from 1969-1970. In 1971, he was seriously injured while working on an oil rig in Brunei and recuperated in Singapore before traveling across South Asia. In 1976, he was arrested in Hong Kong for possession of of marijuana in a botched attempt to make a sale. Mayer researched the law in jail and after fifteen months managed to have his conviction reversed on a technicality. He was deported back to the U.S. and returned to working in hotels.
Links: a. South Vietnam b. Hong Kong c. Singapore d. Los Angeles

Output: b

Input: Consider Input: Question: How old was the commander in chief when he coordinated a massive anti-guerrilla operation? Passage:In 1970, 22-year-old Crespo had dropped out of IST and was eventually drafted into military service in the Portuguese Colonial War. He transferred to Mozambique where his military occupation was to check the cement cargoes from Beira to the Cahora Bassa Dam construction site, near Tete. Some time later, due to his good fluency in English, he was placed in the press office of Kaulza de Arriaga, the commander in chief of the Portuguese Armed Forces in Mozambique, who had coordinated a massive anti-guerrilla operation against FRELIMO separatists in 1970 - the Gordian Knot Operation. While serving in the army, Crespo also entered the newly created School of Medicine of the University of Lourenco Marques where he would complete a number of academic disciplines but did not graduate. He also married Helen de Souza from Johannesburg, a South African woman with Portuguese ancestry who worked in genetics. After the Carnation Revolution left-leaning military coup at Lisbon in April 1974, fresh out of the troop, Crespo fled Mozambique for South Africa.
Links: a. Portuguese Colonial War b. Tete, Mozambique c. Kaulza de Arriaga d. Kaulza de Arriaga
Output: c