[{'choices': [['right', '$y=e^{-y}$'],
              ['wrong',
               '$y=e^{y}$',
               'Almost, but the sign is wrong (note the minus!).'],
              ['wrong',
               '~~~{.Python}\n'
               'from math import exp\n'
               'def f(x):\n'
               '    return exp(x)\n'
               '~~~',
               'Ooops, forgot a minus: `exp(-x)`, otherwise this Python code\n'
               'must be considered as a good answer. It is more natural,\n'
               'though, to write the solution to the problem\n'
               'in mathematical notation:\n'
               '\n'
               '$$\n'
               ' y(x) = e^{-y}.\n'
               '$$'],
              ['wrong',
               'The solution cannot be found because there is a derivative in '
               'the equation.',
               'Equations with derivatives can be solved;\n'
               'they are termed *differential\n'
               'equations*.'],
              ['wrong',
               'The equation is meaningless: an equation must be an equation\n'
               'for $x$ or $y$, not a function $y(x)$.',
               'Equations where the unknown is a function, as $y(x)$\n'
               'here, are called *differential equations*, and are solved by\n'
               'special techniques.']],
  'embedding': 'exercise',
  'heading': 'SOlution of differential equation',
  'keywords': ['derivatives',
               'exponential function',
               'equation, differential',
               'differential equation'],
  'label': 'quiz:diff:eq1',
  'no': 1,
  'question': 'Given\n'
              '\n'
              '$$\n'
              ' \\frac{dy}{dx} = -y(x),\\quad y(0)=1 \n'
              '$$\n'
              'What is the solution of this equation?'},
 {'choice prefix': ['Answer 1:', 'Answer 2:', 'Answer 3:', None],
  'choices': [['wrong', 'Stockholm', 'Stockholm is the capital of Sweden.'],
              ['wrong', 'London'],
              ['right', 'Oslo'],
              ['wrong',
               'Bergen',
               'Those from Bergen would claim so, but nobody else.']],
  'embedding': 'subsection',
  'heading': 'Capital of Norway',
  'keywords': ['capitals', 'basic intelligence', 'geography'],
  'new page': 'Test of quizzes',
  'no': 2,
  'question': 'What is the capital of Norway?',
  'question prefix': 'Fundamental test:'}]