Northfolk, the red cup was a great idea to avoid the hassling questions. Instead of disguising what one is drinking through the Paper Bag, using a typical party cup to disguise that one is NOT drinking alcohol.... Also glad that you got through the party without other problems.
If you have to get rid of the leftovers by dumping, then go ahead, I guess. Too bad somebody couldn't pick them up, but I guess they would not be appealing. Plus, it's not like throwing away library books or fresh food, ha ha.