challenge: What was the outcome of Gadzhimurad Nurmagomedov's first preliminary match at the 2012 Summer Olympics?
  
  A. He lost to Ehsan Lashgari with a total score of 5-0
  B. He was defeated by Yusup Abdusalomov with a technical score of 4-4
  C. He defeated Yusup Abdusalomov with a technical score of 4-4 and a classification score of 1-3
  D. He was disqualified in the match against Yusup Abdusalomov
  Answer: 