This is how skets are measured in order of how dangerous they are to 'man' kind and how they should be handled.
Youll know by her reputaion...
They go like a traffic light.
Green: Date that girls shes as inocent as my white sicks.
Amber: 1 nite stand only shes been around a bit, no threat.
Red: AVOID if u value ur sexual health, shes got STDs man.