Parents Day 1995- Not the one where they pulled our varsity out of the game because we were trashing Cinnaminson. :) ... https://www.youtube.com/watch?v=rGFuBjEAzLk

The answer is 3 and 4 at the same time. There are several variables involved here. The rate of flow, the placement of the tube, viscosity , temperature ect, but for the purpose of the display, we use out general understanding of the principles behind why what you will see happen here is repeatable. If we were to change any of those variables I just listed, you would receive a slightly different result, however it would a result close enough to the expected visual result that it could be ignored, based on how loosely the graphical question was presented to us. The question isn't looking for a resolution that can only be determined using specialized equipment or lab gear. It is looking for a definitive answer based on the resolution of the other choices. In this case we are using mathematical principle, not a device that measures at the atomic level, so the argument that nothing can occur at the same time is a moot point. ... https://www.youtube.com/watch?v=ccllVq3QBIo