Jack, who had been employed by Janet, was fired when Janet learned that Jack, who was unmarried, was living with Chrissy. Jack and Chrissy sued Janet in the appropriate U.S. District Court. Jack sought $58,000 for breach of their employment contract, $10,000 for violation of a federal civil rights statute, and $9,000 for damages that Janet had caused to Jack's car after Jack loaned it to Janet earlier that year. Chrissy claimed $12,000 in damages as a result of Jack's wrongful termination since she is now obliged to pay the entire apartment rental by herself. Before his discharge, Jack contributed one-half of the rental amount. Jack and Chrissy are both citizens of Pennsylvania. Janet is a citizen of New Jersey. Can all of Jack and Chrissy's claims be joined together in a single action? Explain which claims can be joined (if any) and which cannot (if any)