A lawyer has numbered the cases that he is working on. He has criminal cases numbered 1,2,3,4 and civil numbered 1,2,3,4,5. Let R be the event of selecting a criminal case, C the event of selecting a civil case, E the event of selecting an even numbered case, and O the event of selecting an odd case. Selecting the criminal case number 4 is an example of which of the following events? Select all correct answers. Select all that apply: C′ R AND O C OR O C AND O C AND E R AND E