Making a delicious lemonade is quite easy! First, you need to squeeze the lemons to get their juice. Then, mix the lemon juice with water in a pitcher. Next, add sugar to taste and stir well until it dissolves. Finally, put some ice cubes and lemon slices into the pitcher before serving. Enjoy your refreshing drink! According to the text, what is the last step to make lemonade?
A) Squeeze the lemons.