YOU SAID:

Three can keep a secret, if two of them are dead.

INTO JAPANESE

2人が死んでも、3人は秘密を守ることができる。

BACK INTO ENGLISH

Even if two die, three can keep a secret.

INTO JAPANESE

二人が死んでも三人は秘密を守れる。

BACK INTO ENGLISH

Even if two die, three can keep a secret.