So these two brunettes challenge their blonde friend to a race across the english channel, using only the breast stroke. The brunettes arrive on the other side, and there is no sign of the blonde. So they waited around, and eight hours later, when they thought she had surely drowned, she finally pulls herself up on the bank. The first brunette asks her what took her so long, they had been waiting for hours, and the blonde says, "Are you sure you didn't use your hands?".