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An off-duty, out-of-uniform police officer and his son purchased some food from a 7-eleven store and were in the parking lot when a carload of teenagers became rowdy. The officer went to speak to them and the teenagers assaulted him. The officer shouted for his son to get the 7-eleven clerk to call for help. The son entered the store, told the clerk that a police officer needed help, and instructed the clerk to call police. He returned 30 seconds later and repeated the request urging the clerk to say it was a code 13. The son claimed that the clerk laughed at him and refused to do it. The policeman sued the store.
1. The above case deals with the ____________.