In this game, the attribute is of relationship . On the other hand, there is a relation between Work and Reward and between Lottery and Prize. The common attribute in this analogy game is abstruseness. To the latter class belong the alpha and beta particles, which are emitted by the nuclei of radioactive atoms. The choice of sample is based on the fact that electricity is made of electrons.
Letters make the alphabet, but they are manmade.
The attribute here is of natural composition. Pointillism, a genre of painting that was introduced when impressionism was in vogue, is an art, as is literature . A painting is made of the materials required for its creation. Creation is the result of giving the chaotic materials a form that makes sense. For disorder to exist there has to have been order, at least in the mind of the observer.