Multi-choice problem: Choose from the options at the end, and answer how do you do this: To glaze the pie,

Select from: (a). crack one egg into a small bowl, beat it with a fork, and then use a pastry brush to coat the top of the pie with the beaten egg. (b). crack one egg into a small bowl, beat it with a fork, and then use a butter knife to coat the top of the pie with the beaten egg.
(a).