I read an article recently that telling children what to eat doesn't work well, neither does letting them pick everything. But - if you give them a choice of 'A

I read an article recently that telling children what to eat doesn't work well, neither does letting them pick everything. But - if you give them a choice of 'A or B' - it seems to work better. Perhaps stores ought to a) provide some variety and b) let the staff have at least some influence. 'Here's a massive list of music - you make the playlists from this'