Multi-choice problem: Choose from the options at the end, and answer how do you do this: How to separate egg yolks from egg whites?

Select from the following. (1). Crack the egg and using an empty water bottle, place the opening over the egg yolk and pump the bottle so it sucks up the egg yolk. (2). Crack the egg and using an full water bottle, place the opening over the egg yolk and pump the bottle so it sucks up the egg yolk.
(1).