Re-post same news.

Hello there, I am using 3 rss feed from 3 different website. and there are almost same news without something else. When i run the feed one by one. then same news re-post every-time. so what's wrong with that ??? please see the image 3 different website: 1.https://africanewswire.net/feed/ 2.https://arabnewswire.com/feed/ 3. https://europenewswire.net/feed/   Otherwise, I need to post only new content.