N of n
The 'sample' group
The noun refers to an instance or sample of something. The noun group after of indicates the thing or type of thing involved.
If anyone becomes ill after eating a mushroom, they should be rushed to hospital, with a sample of the mushroom if possible.
The preposition of is often followed by a noun group and an '-ing' clause. This pattern is N of n -ing.
example instance masterpiece model sample specimen
Very funny, very well acted - brilliantly directed - a first class instance of a mainstream Hollywood film tackling serious issues.