Finish the following sentence with the best choice: How to separate egg yolks from egg whites?

Choices:
- 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
- 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

Answer:
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