AI can tell Republicans from Democrats – but can you? Take our quiz

Researchers say artificial intelligence will soon be able to detect a person's political allegiance – just by looking at photos of their face. We've put together a quiz to see if you can beat the algorithms and work out, from someone's face, their political allegiance. We've chosen 15 pictures of city councillors from Bristol, Connecticut and San Diego – eight Democrat, seven Republican. Can you figure out which is which?