﻿A set is A, B, C, D, E, F or G.
His set is D.
Is John my father?

Is a set a number?
Is a set round?
Is a set A?

Is his set a father?
Is his set a number?

Is my father John?
Is his set A?
Is a set A?
# To continue, click button «Clear your mind.» or «Restart.».