Please choose the correct ending to complete the given sentence: Computers and Electronics: [header] How to make gingerbread houses using graham crackers [title] Separate your christmas candies into bowls. [step] This step saves the hassle of opening bags of candy with sticky fingers later. [title] Place an aluminum pie tin upside down in front of you.

Ending1: [step] Set 4 candies according to the shape you'd like the gingerbread house to be. Label each with a picture of the person, model or holiday that you wish to make, such as santa, princess, fairy, or star. Ending2: [title] Combine the egg whites and lemon juice in a large bowl to make royal icing. [step] Add powdered sugar 2 tablespoons at a time and blend the mixture with a mixer until the icing has the consistency of stiff peanut butter. Ending3: [step] Fill it 8/8 full with the graham crackers. Then, place another tin of graham crackers around the pie tin. Ending4: [step] Glue your graham crackers to the side of the tin. [title] Leave the tins open outside to dry overnight.

Answer format: ending1/ending2/ending3/ending4