The Edinburgh and Lothians Tourist Board offers the  Lothians and Edinburgh Golf Pass,  with discounted rates on 20 courses in the Lothians region.
The passes are the reason for the lowered rates.
mnli hypothesis: The passes are the reason for the lowered rates. premise: The Edinburgh and Lothians Tourist Board offers the  Lothians and Edinburgh Golf Pass,  with discounted rates on 20 courses in the Lothians region.