MileStone-3:-Preliminary-Requirements.md

@@ -77,6 +77,40 @@ B. Test whether the suggestion is correct so that it can recommand appropriate d
 
 **Story points:** 2.5 story points
 
+ **Personas:(TomStudentActivity)**
+
+	Tom  is an University student. From he was in high school, he liked to join many kinds of  activities for making friend with contemporary. When he moves to University he find he can spend more time on that, and those activities  also can help him to improve his abilities and enrich his resume for getting a job after graduating. Therefore, he really need to find some place to get some drink for organizing activity.
+
+**Epics:**
+
+	As Tom, he really want to buy enough coffee for his club activity, so that our website can offer shopping cart function for him to choose 
+
+**User Stories1:**
+
+As Tom,  I want to buy dozens of cups of coffee, so I can click button to add many different kinds of coffee into shopping cart
+
+
+**Acceptance criteria 1(test):**
+
+Test with customer selecting coffee into shopping cart (pass) 
+
+Test with the the number of items while clicking the coffee (pass)
+
+**Story Points:** 2 points
+
+**User Stories 2:**
+
+As Tom,  if I select wrong order, so I can cancel the choice I made from shopping cart
+
+**Acceptance criteria 2(test):**
+
+Test with cancelling the wrong order from shopping cart list
+
+Test with the number of items reducing shown by shopping cart
+ 
+**Story Points:** 2 points
+
+
 
 **Action Plan:**