graph G {
  Unknown [label = "?"];
  EditorInChief [label = "Editor in chief"];
  FrenchTeam [label = "French Team"];
  DutchTeam [label = "Dutch Team"];
  ContactPersonForEnglish [label = "Contact Person for English"];
  GermanTeam [label = "German Team"];
  
  EditorInChief -- Guido;
  EditorInChief -- FrenchTeam [style = bold];
  EditorInChief -- DutchTeam [style = bold];
  EditorInChief -- ContactPersonForEnglish [style = bold];
  EditorInChief -- GermanTeam [style = bold];
  
  edge [color = red]; /* defines the team leaders */
  FrenchTeam -- Iznogood;
  DutchTeam -- Floris;
  DutchTeam -- Guus;
  ContactPersonForEnglish -- Guido;
  GermanTeam -- Unknown;
}