YOU SAID:
she sells sea shells on the sea shore. are the shells she sells seashells for sure?
INTO JAPANESE
彼女は海岸で貝殻を売っています。彼女が販売している貝殻は確かですか?
BACK INTO ENGLISH
She sells seashells on the beach. Are you sure of the shells she sells?
INTO JAPANESE
彼女は浜辺で貝殻を売っています。彼女が売っている貝殻を確信していますか?
BACK INTO ENGLISH
She sells seashells on the beach. Are you sure of the shells she sells?
You've done this before, haven't you.