Complex sentence: The London School of Economics and Political Science (informally the London School of Economics or LSE) is a top public research university specialised in the social sciences located in London, United Kingdom, and a constituent college of the federal University of London.
Split into simpler sentences: The London School of Economics and Political Science (informally the London School of Economics or LSE) is a top public research university specializing in the social sciences. It is located in London, United Kingdom, and is a constituent college of the federal University of London.