YOU SAID:
Selly sells sea shells by the sea shore
INTO JAPANESE
セリーは海岸で貝殻を売っています
BACK INTO ENGLISH
Sherry sells shells on the beach
INTO JAPANESE
シェリーは浜辺で貝殻を売る
BACK INTO ENGLISH
Sherry sells shells on the beach
That didn't even make that much sense in English.