Complex sentence: When the election campaign began, polls showed a close race between the Parti Québécois and the Liberals, however the PQ held a wide lead among francophone voters, giving the advantage in terms of seat distribution to the PQ.
Split into simpler sentences: When the election campaign began, polls showed a close race between the Parti Québécois and the Liberals. However, the PQ held a wide lead among francophone voters, giving the advantage in terms of seat distribution to the PQ.