Uncertainty - that was not good in setting up the television. If they were able to be certain each step - or cord - of the way, then it would all be good. So, they needed to get certain. Okay, something to look for. Zach pulled out the second end of the cable and inspected it and the plug. Well, there was a yellow...thingy. "Is there something that gives the color of the plug it goes into?" Zach asked, "Particularly...yellow." It was a way to be certain about something.