Complex sentence: The Liberal Democrats (often referred to as the Lib Dems) are a liberal political party in the United Kingdom, formed in 1988 as a merger of the Liberal Party and the Social Democratic Party (SDP), a splinter group from the Labour Party.
Split into simpler sentences: The Liberal Democrats (often referred to as the Lib Dems) are a liberal political party in the United Kingdom. It was formed in 1988 as a merger of the Liberal Party and the Social Democratic Party (SDP), a splinter group from the Labour Party.