Which of these 4 short video's do you prefer the most? (1) http://www.youtube.com/watch?v=mNmw2v4guXU (2) http://www.youtube.com/watch?v=kuTBV3lLZ1Y (3) http://www.youtube.com/watch?v=PuGvoWoqvWU and (4) http://www.youtube.com/watch?v=jEIcQ6hcPlw