2. You have a friend who only does one of four things on every Saturday afternoon: go shopping, watch a movie, play tennis, or just stay in. You have observed your friends behavior over 11 different weekends. On each of these weekends you have noted the weather (sunny, windy, or rainy), whether her parents visit (visit or no-visit), whether she has drawn cash from an ATM machine (rich or poor), and whether she had an exam during the coming week (exam or no-exam). You have built the following data table: You now want to build a decision tree to predict the activity of your friend on any future Saturday afternoon from the observed values of Weather, Parents