The general election is today, and volunteers are organizing the ballots. Depending on the part of the city in which a citizen lives, he or she receives a different ballot. The types of ballots consist of RED ballots numbered 1,2,3,4 and BLUE ballots numbered 1,2. Let R be the event of drawing a red ballot, B the event of drawing a blue ballot, E the event of drawing an even numbered ballot, and O the event of drawing an odd ballot. Drawing the Blue 2 is one of the outcomes in which of the following events? Select all correct answers.