To give an exam , an instructor first notifies the students of the exam date and the material to be overed . She then prepares the exam paper ( with sample solutions ) , gets it copied to produce enough Copies for the class , and hands it out to students on the designated time and location . The students vrite their answers to exam questions and hand in their papers to the instructor . The instructor then gives the exam papers to the TAs, along with sample solutions to each question , and gets them to mark it. She then records all marks and returns the papers to the students

Q: Draw a sequence diagram that represents this process . Make sure to show when is cach actor participating in the process . Also , show the operation that is carried out during each interaction , and what its arguments are.