YOU SAID:
Hello my great friend with the yellow shirt
INTO JAPANESE
黄色いシャツを着た私の親友こんにちは
BACK INTO ENGLISH
Hello my best friend wearing a yellow shirt
INTO JAPANESE
こんにちは私の親友は黄色いシャツを着ています
BACK INTO ENGLISH
Hi my best friend is wearing a yellow shirt
INTO JAPANESE
こんにちは私の親友は黄色いシャツを着ています
BACK INTO ENGLISH
Hi my best friend is wearing a yellow shirt
That didn't even make that much sense in English.