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Some problems to be solved by a search agent are more creative in nature, for example, like in writing poetry. In this case, it is often difficult to project the word 'creative' on to a program is sense that it is possible to completely understand why it produced an artefact, by looking at its search path. In these cases, it is often a good idea to try hard some randomness in the search strategy, for example randomly choosing an item from the agenda to carry out, and assigning values from a heuristic measure at random. This may add to the creative appeal of the agent, just because it makes it more difficult to predict what the agent will do.