challenge: Which band members were part of the Rock Out with Your Socks Out Tour in July 2014?
  
  A. Luke Hemmings, Michael Clifford, Ashton Irwin, and Harry Styles
  B. Luke Hemmings, Michael Clifford, Ashton Irwin, and Calum Hood
  C. Luke Hemmings, Michael Clifford, Ashton Irwin, and Niall Horan
  D. Luke Hemmings, Michael Clifford, Ashton Irwin, and Liam Payne
  Answer: 