Complex sentence: In Canada, for example, candidates for political party leadership, when there are more than two, use an exhaustive ballot system, often called a run-off voting method one candidate must win a simple majority (over half).
Split into simpler sentences: In Canada, for example, candidates for political party leadership, when there are more than two, use an exhaustive ballot system, often called a run-off voting method. It is like a run-off method, except the one candidate must win a simple majority (over half).