Bottles for Harry Potter Logic Riddle

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These bottles can be used to solve a riddle presented in Harry Potter and the Sorcerer's Stone. Danger lies before you, while safety lies behind. Two of us will help you, whichever one you would find. One among us seven will let you move ahead, another will transport the drinker back instead. Two among our number hold only nettle wine, three of us are killers waiting hidden in line. Choose unless you wish to stay here forevermore. To help you in your choice we give you these clues four: First however slyly the poison tries to hide you will always find some on nettle wines left side. Second different are those who stand at either end but if you would move onward neither is your friend. Third as you see clearly all are different size neither dwarf nor giant holds death in their insides. Fourth the second left and second on the right are twins once you taste them though different at first sight.