Colors red and blue, for example, are unique with respect to color. Brainhat makes the leap by looking at the balls' attributes, and noting their orthogonality. Pink will not be orthogonal to red, but both will be orthogonal to blue. Brainhat needs the freedom to handle various verb tenses. Accordingly, verb tenses should be organized as children of the infinitive.
Special tags define the tense , number and person of each verb.
From these, brainhat can choose an appropriate tense, number and person when speaking. The definitions above create the infinitive form to see , and a couple of subordinate forms. As a minimum, the infinitive and the third person singular present form of the verb should be defined. Rather, many permutations may be generated, with many different meanings. It may or may not be needed, depending on the character that follows.