text: Elisabeth: <file_photo>, has anyone solved this?
  Jenna: You are scaring me with these pictures
  Elisabeth: I know it looks like a blue screen, but it is just what he choose for his presentations :D
  Derek: I have no idea how to solve that, we are quite fucked
  Arthur: Does anyone at least have all the important formulas on one piece of paper?
target: Neither Elisabeth nor Derek know how to solve this. Arthur wants all the important formulas on one piece of paper.