Select the answer that best describes a Code Grey and a Code Silver?

During a Code Grey employees should run, hide, and fight and during a Code Silver employees should show support.

A Code Grey is a response to a threat without a weapon and a Code Silver is a response to a threat with a weapon or hostage situation.

Every time a Code Grey is called a patient must be placed in restraints.

They are the same type of code and can be used interchangeably.