Use "smart set" in a sentence

1. Leaders of the smart set rubbed elbows, and seemed to enjoy it, with working girls and agitators

2. Why have you deserted the smart set?'

3. ” It is a kind of mania on this side of the pond, and, although it is quite as middle class, and even lower class, as it is smart set, naturally Mr

4. Kennard—Lady Newborough and a score of others one could mention, are to be included among the Americans who have devoted their talents entirely to the conquering of the smartest of smart sets