[□] □ □
[□=□] □ □
[□ & □] □ □
By its very terms , the exclusions listed in the primary policy apply only to " Coverage A " and " Coverage B. " The declarations page of the primary policy clearly identifies the excess limits liability coverage as " Coverage C. " Dr. Marshall and the Weisses argue that the entire policy is ambiguous for two reasons . The three sets of standards and policies also identify the same basic elements of an EMS .