To determine the likeliness of an individual in a concept, a membership function is required.

On most futures exchanges, there are two major types of futures traders/members: commission brokers and locals.

[…]; nor was Miss Wilkinson the ideal: he had often pictured to himself the great violet eyes and the alabaster skin of some lovely girl, and he had thought of himself burying his face in the rippling masses of her auburn hair.

Small, dogged, shoulderful, they come headed America-ward.