Complex sentence: Surya Bahadur Thapa (born March 21,1928) has been Prime Minister of Nepal five times, under three different kings, in a political career lasting nearly 50 years.
Split into simpler sentences: Surya Bahadur Thapa (born March 21,1928) is a Nepalese politician. He has served as the Prime Minister of Nepal for five terms, under three different kings, in a political career lasting more than 50 years.