'Turns the node into two nodes with a data-if/else.
For example given:
<p>He gave <var>NUM == 1 ? "an apple" : APPLES</var>.</p>
It would become:
<p data-if="NUM == 1">He gave an apple.</p>
<p data-else>He gave <var>APPLES</var>.</p>'

def get_condition(self, key):

    return key
