Press the green flag to start the video and see the teacher on the left speak. Once the voice bubbles go away press the space bar to see the student-teacher on the right speak. Once those voice bubbles go away press letters a, b, and c to see the student in the middle speak and think. Once the voice and thought bubbles go away press letter d to see both teachers speak at the same time. Finally, once those voice bubbles have disappeared press letter e to see the student say one final thing.