YOU SAID:

Darkness is only existent with light.

INTO JAPANESE

闇は光の存在だけです。

BACK INTO ENGLISH

Only light there is darkness.

INTO JAPANESE

そこの唯一の光は暗闇です。

BACK INTO ENGLISH

Only the light there is darkness.

INTO JAPANESE

そこ光だけは闇の中です。

BACK INTO ENGLISH

There is only light in the darkness.

INTO JAPANESE

暗闇の中で光だけがあります。

BACK INTO ENGLISH

There is only light in the darkness.