YOU SAID:
She sells sea shells on the sea shore. The sea shells she sells are seashells for sure.
INTO JAPANESE
彼女は海岸で貝を販売しています。彼女が販売している貝殻は確かに貝殻です。
BACK INTO ENGLISH
She sells shells on the beach. The shells she sells are certainly shells.
INTO JAPANESE
彼女はビーチで貝を売っています。彼女が売っている貝は確かに貝です。
BACK INTO ENGLISH
She sells shells on the beach. The shellfish she sells is certainly a shellfish.
INTO JAPANESE
彼女はビーチで貝を売っています。彼女が販売している貝は確かに貝です。
BACK INTO ENGLISH
She sells shells on the beach. The shellfish she sells is certainly a shellfish.
That didn't even make that much sense in English.