(20 pts) 2. Run Gale-Shapley Algorithm using the preference lists tables below. Are there any unstable pairs in the final match? st nd rd st nd rd Xavier Bertha Clare Amy Xavier Yancey Zeus Yancey Amy Bertha Clare Bertha Xavier Yancey Zeus Zeus Amy Bertha Clare Clare Xavier Yancey Zeus (15pts) 3. Do Problem 3 in Chapter 2 on page 67 of the Kleinberg and Tardos text Provide a "clear" explanation in each case (15 pts) 4. Do Problem 1 in Chapter 3 on page 107 of the Kleinberg and Tardos text. Look at solved exercise 1 on page 104 as an example You can write your answers for the questions 2 to 4 on paper, scan and create a pdf file for each question. Name each file using "Question pdf" format