checkboxData;
}


var genProblem = function() {
  // email inbox
  setupInbox();
  var emails = generateEmails();
  displayEmailSummaries(emails);
  var shuffled = emails.slice();
  core.shuffle(shuffled);
  var expectedDetails = {};
  expectedDetails.action = core.sample(EMAIL_ACTIONS);
  expectedDetails.email = shuffled[0];
  if (expectedDetails.action == 'reply') {
    expectedDetails.reply = ui_utils.generateWords(1,5);
  } else if (expectedDetails.action == 'forward') {
    expectedDetails.forward = sh