All the snobs are in the club. So I am not a snob. Tom and Dick are both singers, but only Tom sings opera. Only opera singers sing at the Metropolitan, and even some opera singers don't sing at the Metropolitan. So Dick doesn't sing at the Metropolitan.
All rich people drive big cars.
A Cadillac is a big car. So Jones must be rich, because he drives a Cadillac. Only flying mammals have sonar. My pet is a mammal and it doesn't have sonar. So it doesn't fly.