Complex sentence: The ALP ran a strong campaign under the famous slogan, "It's time"-a slogan which, coupled with its progressive policy programme, gave it great momentum within the electorate after 23 years of Conservative rule.
Split into simpler sentences: The ALP ran a strong campaign under the famous slogan, "It's time". A slogan which, coupled with its progressive policy programme, gave it great momentum within the electorate after 23 years of Conservative rule.