• Every person should go scuba diving because of three environmental benefits. • Every person should go scuba diving because of three educational benefits. “Benefits” is the key word in each of the propositions. Each of the rationale must not only be a benefit, but also be the kind of benefit indicated by the adjective. 2. The rationale should be brief. There is a real tendency to try to include all the words you will use in speech in the rationale. It is much more important that the rationale be