YOU SAID:

she sells seashells by the seashore and the seashells she sells are seashells for sure

INTO JAPANESE

彼女は海岸で貝殻を売っていて、彼女が売っている貝殻は確かに貝殻です

BACK INTO ENGLISH

She sells seashells on the beach, and the shells she sells are indeed seashells.

INTO JAPANESE

彼女はビーチで貝殻を売っていますが、彼女が売っている貝殻は確かに貝殻です。

BACK INTO ENGLISH

She sells shells on the beach, and the shells she sells are indeed seashells.

INTO JAPANESE

彼女は浜辺で貝殻を売っていますが、彼女が売っている貝殻は確かに貝殻です。

BACK INTO ENGLISH

She sells shells on the beach, and the shells she sells are indeed seashells.