Core Message Write an executive summary of the brief. Your core message should consist of three sentences: The first sentence providing a summary of the scenario. The second sen tence summarising the key rationale for your recommendation. And the third sentence summarising your recommendation [5} Maximum length 5 lines. Hint: The statements in the core message should stand on their ovvn. Provide specic information and avoid generalities. The reader should be able to understand the core message without referring to the scenario or the rest of the brief