That swig of water.
And she pulled the mike towards her so decisively.
It's like she knew something had to be said....
Look, I am in awe of that dignified little act of defiance, but the reality is that these young women are going to be quizzed again and again on what exactly they meant in the coming days. It is going to be poured over and analysed and debated - and they will be pushed and pressured into elaborating, we all know it.
And they may well be thinking, if Martina navratilova can lose work and sponsorship and funding then so can we. I would not blame them if they explained it all away at the next opportunity after some careful coaching, and we are disappointed with what they say.
But don't be. It really was very clear what they thought. And if they declare a very different view in the next few days, it will also be clear that they have been silenced.
The three of them will always be heroes.