Pick one PEST factor and discuss important trends related to it and the implications for one industry of interest to you. For example, important trends in Technology may include new developments in 5G, quantum computing, and artificial intelligence and you can discuss how those technological trends may influence the future of the car industry.
If you want you can discuss how political trend will influence the future of education. Keep in mind this discussion is to help formulate strategies. How will education look like in 10 years, 20 years? How will political trends help shape the future of education? These are the questions you are trying to answer. Hope this helps.