sentence: A shot is shown of a rope is shown with various morale and life issues popping up via text. sentence:  A mop bucket is shown with the caption "look familiar?". sentence:  More text is shown with people sitting at a desk and then a shot of scientists in a lab are shown. sentence:  Another shot of a mop bucket and dirty water comes into view and the mop is being drained of its excess water. sentence:  A man is mopping a floor very precisely and intently. sentence:  The video jumps to a man teaching a class and is in front of a chalkboard.