Complex sentence: Jean-Pierre Giudicelli (born 20 February 1943) is a French former modern pentathlete who competed in the 1968 Summer Olympics and in the 1972 Summer Olympics.
Split into simpler sentences: Jean-Pierre Giudicelli (born 20 February 1943) is a French former modern pentathlete. He competed at the 1968 Summer Olympics and the 1972 Summer Olympics.