A Challenge for You

Inadvertent

Definition: (adjective)

Happening by chance or unexpectedly or unintentionally.

Synonyms: accidental.

It is believed that American President,
Abraham Lincoln had a dream about his assassination ten days before he was killed.

A Challenge for You ?

You have to measure exactly 4 liters of water, but you only have a 3-liter bottle and a 5-liter bottle. How do you do it ?