text: exports.model = (id, element) => ({
    id,
    element,
    choiceMode: 'checkbox',
    choicePrefix: 'numbers',
    choices: [
      {
        correct: true,
        value: 'sweden',
        label: 'Sweden',
        feedback: {
          type: 'none',
          value: ''
        }
      },
      {
        value: 'iceland',
        label: 'Iceland',
        feedback: {
          type: 'none',
          value: ''
        },
        rationale: 'Rationale for Iceland'
      },
      {
        value: 'norway',
        label: 'Norway',
        feedback: {
          type: 'none',
          value: ''
        },
        rationale: 'Rationale for Norway'
      },
      {
        correct: true,
        value: 'finland',
        label: 'Finland',
        feedback: {
          type: 'none',
          value: ''
        },
        rationale: 'Rationale for Finland'
      }
    ],
    prompt: 'Which of these northern European countries are EU members?',
    promptEnabled: true
  });
  