Complex sentence: Mia Mottley, now the leader of the opposition, has not commented on the prime minister's proposal, however, the Barbados Labour Party has advocated the adoption of a republican system in the past when it was in power.
Split into simpler sentences: Mia Mottley, now the Leader of the Opposition, has not commented on the Prime Minister's proposal. However, the Barbados Labour Party has advocated the adoption of a republican system in the past when it was in power.