YOU SAID:
The ship is on a ship because they're shipping the ship to be shipped to a ship that it's shipped with.
INTO JAPANESE
船は、同梱されている船に出荷するために出荷しているため、船に乗っています。
BACK INTO ENGLISH
The ship is on board because it is shipping for shipping to the ship it is shipped with.
INTO JAPANESE
船は、同梱されている船に出荷するために出荷されているため、船内にあります。
BACK INTO ENGLISH
The ship is onboard because it is shipped for shipment to the ship it is shipped with.
INTO JAPANESE
船は、同梱されている船に出荷するために出荷されるため、船内にあります。
BACK INTO ENGLISH
The ship is onboard because it is shipped for shipment to the ship it is shipped with.
Come on, you can do better than that.