. Use words to define the set

Question

B = {market, home, roast beef, none, oui oui oui}

This was very confusing to me and I do not understand

Answer 1

Could it be ?
store, residence, meat, nil, yes yes yes

Answer 2

I think there's suppose to be a pattern with the set, because the other example she gave was
Washington,Adams,Jefferson,Maddison,Monroe
In which I defined it as The first 5 presidents of the USA

Answer 3

how about counting your toes using little pigs?