In Which of the Following Situations Would the Defendant Be

In which of the following situations would the defendant be considered to be a public body?
Please select all that apply.

A) A doctor in an NHS hospital performs an operation negligently.
B) A doctor in an expensive private hospital performs an operation negligently.
C) The police force fail to warn shoppers that a gang of pickpockets is operating in the shopping centre they are shopping in.
D) A social worker employed by the county council crashes her car after driving carelessly home from work.
E) Some cooking oil is spilt on the floor in an aisle in Marks and Spencer, but is not cleared up for hours, and someone slips on it.
F) Council dustbin collectors drive their lorry into a parked car.
G) A university groundsman fails to replace a loose paving stone and someone trips over it and injures themselves.
H) A comprehensive school groundsman fails to replace a loose paving stone and a parent dropping their children at school trips over it and injures themselves.
I) A couple's house burns to the ground after their call for a fire engine is not relayed to the fire officers on duty for more than an hour.