Without Googling, can you tell difference between these Democratic hopefuls and random people in stock photos?

Is this a Democrat who wants to be president or a stock photo?

The Democratic party has put forward its most diverse group of candidates ever for the 2020 election. But it’s also the largest in recent memory. In a crowded field of 20 contenders who will be taking to the debate stage this week, standing out and gaining recognition will be key.

There is a clear group of frontrunners including Joe Biden, Bernie Sanders and Elizabeth Warren. But running at the bottom of the polls are a group of candidates who have made little public impact and remain mostly unknown.

Without Googling, can you tell difference between these Democratic hopefuls and random people posing in stock photos?