{"type":"rich","version":"1.0","width":854,"height":854,"title":"Prepositions in Set Expressions","html":"<iframe aria-label=\"Prepositions in Set Expressions\" src=\"https://ndla.no/article-iframe/nb/urn:resource:1:69094/7035\" height=\"854\" width=\"854\" allowfullscreen=\"\" style=\"border: none;\" />","iframeSrc":"https://ndla.no/article-iframe/nb/urn:resource:1:69094/7035"}