Laurie and Jim are visiting Laurie's brother and wife, who recently moved to Italy. During the first day of their visit, Laurie's brother and wife hosted a dinner party to introduce Jim and Laurie to their neighbors. When introduced, Jim extended his arm to shake the neighbors' hand and instead they reached over and kissed him on each cheek. This happened with each of the introductions during the evening. This type of greeting is an example of a(n):