[Machine] It is the Sunnah.  

هِيَ السُّنَّةُ  

I offered the funeral prayer behind Ibn ʿAbbas and he recited Al-Fatiha and said, "You should know that it (i.e. recitation of Al-Fatiha) is the tradition of the Prophet ﷺ Muhammad. (Using translation from Bukhārī 1335)  

أَنَّهَا سُنَّةٌ»  

[Machine] He named it.  

أَنَّهُ سَمَّهُ  

I offered the funeral prayer behind Ibn ʿAbbas and he recited Al-Fatiha and said, "You should know that it (i.e. recitation of Al-Fatiha) is the tradition of the Prophet ﷺ Muhammad. (Using translation from Bukhārī 1335)  

أَنَّهَا السُّنَّةُ  

I offered the funeral prayer behind Ibn ʿAbbas and he recited Al-Fatiha and said, "You should know that it (i.e. recitation of Al-Fatiha) is the tradition of the Prophet ﷺ Muhammad. (Using translation from Bukhārī 1335)   

أَنَّهَا سُنَّةٌ  

[Machine] "O son of my brother, indeed this is the sunnah."  

يَا ابْنَ أَخِي إِنَّهَا السُّنَّةُ