Karl recently immigrated to the U. S. from Germany and is determined to show his American coworkers that he has a sense of humor. He amuses his colleagues with jokes and quickly becomes popular with many of them. Some of his German-American colleagues, however, are getting tired of these comments, especially since many of them have faced real prejudices and biases in the past. When a few tell him to knock it off, he should:
Answer: Parar