Complex sentence: Prime Minister Alamara Nhassé was elected as party leader in January 2002 at a PRS convention; following his dismissal as Prime Minister later in the year, he resigned as party leader and was replaced by Alberto Nan Beia.
Split into simpler sentences: Prime Minister Alamara Nhassé was elected as party leader in January 2002 at a PRS convention. However, following his dismissal as Prime Minister later in the year, he resigned as party leader and was replaced by Alberto Nan Beia.