In this task, we ask you to rewrite a sentence in simple English without changing its general meaning. Essentially, you want to make the sentence easier to read by using simpler words, utilizing more straightforward sentence structures, and omitting non-essential information etc.

Constitutional economics is a research program in economics and constitutionalism that has been described as explaining the choice " of alternative sets of legal-institutional-constitutional rules that constrain the choices and activities of economic and political agents " .
Constitutional economics tries to explain the selection of constitutional rules " limiting the choices and activities of economic and political agencies . "

For some purposes , Northwestern Ontario and Northeastern Ontario are treated as separate regions , while for other purposes they are grouped together as Northern Ontario .
Sometimes , Northwestern Ontario is grouped with Northeastern Ontario as Northern Ontario .

Best Actor in a Leading Role is a British Academy Film Award presented annually by the British Academy of Film and Television Arts ( BAFTA ) to recognize an actor who has delivered an outstanding leading performance in a film .

Best Actor in a Leading Role is a British Academy Film award presented each year by the British Academy of Film and Television Arts ( BAFTA ) .

