Anchor: Outside the big cities, make a habit of saying an appropriate Bonjour or Au revoir when entering or leaving a shop or cafe.
Entailed: When you're anywhere in France that isn't a big city, it is good to say hello or goodbye when you enter and exit a shop.
Contradiction: Saying Bonjour is only required while in big cities.
Contradiction: It's not considered polite to talk to shopkeepers in France unless they speak to you first.
Contradiction: A girl is sitting in a photo booth.
Contradiction: Have a good day, goodbye.
Contradiction: The forum participants weren't presented with a study sponsored by the FFC.