YOU SAID:
A sword is something I have.
INTO JAPANESE
剣は私が持っているものです。
BACK INTO ENGLISH
What I have is the sword.
INTO JAPANESE
私が持っている刀です。
BACK INTO ENGLISH
It is a sword that I have.
INTO JAPANESE
それは私が持っている刀です。
BACK INTO ENGLISH
It is a sword that I have.
Well done, yes, well done!