The answer is somewhere along the lines of the good witch wears pink and apreciates all the small people( i fogot their names) she also uses little fairy wands and wants to help others whereas the bad witches dress in dark colours and hate other people they look green to show hatrid and anger and try and take things not belonging to others also they were striped stocking which is what many people imagine witchs to look like hope this helps
The human mind immediately may try to put them into categories or illustrate what they are about in their head.
I would say it is the third one down (visit the restaurants in the same trading area) because that is the only one where you gain the knowledge first hand. When you have middle men (people writing online, people who have visited the restaurant themselves, or members of the BBB) there can be a bias as they may claim the competition is better when it is not for personal gain.