What is the best way to change the sentence below from active voice to passive voice?

You should apply pressure to a wound because it is the best way to stop the bleeding.

The bleeding should stop if you apply pressure to the wound as it is the best way to do so.
The best way to stop the bleeding is for someone to apply pressure to the wound.
Someone applying pressure to the wound will stop the bleeding because it is the best way.
Pressure should be applied to a wound as the best way to stop the bleeding.