Answer:
Private Law.
Step-by-step explanation:
Private Law concerns with the relationship of individuals and other private entities. If a restaurant chain is forced to pay damages to a person who suffered food poisoning after eating at the restaurant, it will come under the domain of private laws.
This is because it involves an individual and a private firm. Apart from the person, there has been no cases of such food poisoning by the firm. If it was an intended large scale food poisoning, the case would have come under the domain of Public law.
The person may file a lawsuit against the firm under private laws' Commercial Law. The firm may be forced to pay damages under negligence and breach of contract through the provisions of Commercial Law.