 Examination of the categories will show that categories 2–5 of the SAP scale obviously correspond to categories 7–10 of the COPINE scale.Category 1 of the SAP scale seems to correspond vaguely to categories 4–6 of the COPINE scale.COPINE category 1 (indicative) was left off the SAP scale because "images of this nature would not be classed as indecent."