Complex sentence: Douglas Garven Alexander (born 26 October 1967) is a British Labour Party politician, who is the Shadow Foreign Secretary and the Member of Parliament for Paisley and Renfrewshire South.
Split into simpler sentences: Douglas Garven Alexander (born 26 October 1967) is a British Labour Party politician, who is the Shadow Foreign Secretary. He is the Member of Parliament (MP) for Paisley and Renfrewshire South.