The head of the collective bargains for the members to be able to choose between three or four weetbix for breakfast in red bowls.

The cooperative allows a specialist member to stock the breakfast cereals so that other members may choose.

While driving, all members of the collective must turn the same direction at the same time.

Persons: n., pl. identical members of a collective.

People: n., pl. unique members of a cooperative.

A little book that I have published, Learning and Behaviour, has provided an example of another lesson to be learned at educational institutions, namely, one should read the references.

I have attempted to enlist the aid of a renowned expert on Evolution and Game Theory, Martin Nowak, at the Program for Evolutionary Dynamics at Harvard University.