{"type":"rich","version":"1.0","title":"Ch19 lesson2","provider_name":"Coggle","provider_url":"https://coggle.it","thumbnail_url":"https://static.coggle.it/diagram/Zt1Ngxw8ivTplmVr/thumbnail","width":1920,"height":1200,"html":"<iframe width=\"1920\" height=\"1200\" src=\"https://embed.coggle.it/diagram/66dd4d831c3c8af4e996656b\" frameborder=\"0\" allowfullscreen></iframe>"}