       Type(props)
 
 
-    <div className="exercise">
-      <ArbitraryHtmlAndMath className="stimulus" html={config.content.stimulus} />
+    <div className='exercise'>
+      <ArbitraryHtmlAndMath className='stimulus' html={config.content.stimulus} />
       {questions}
     </div>
 


    <div key={questionId} className='question-body'>
      <div>Select all that apply:</div>
      <ul className="options">{options}</ul>
    </div>

  onChange: (answer, isChecked) ->

    for id, i in idIndices
      unless config.value.indexOf(id) < 0
        index = config.value.indexOf(id)
        vals.push <AnswerLabeler key={index} before='(' after=')' index={index}/>
    <span className='multi'>{vals}</span>


MultipleChoiceOptionMixin =
