Task: Text Simplification
Input (English): of the seven candidates , he topped each of the four straw polls conducted by the united nations security council : on 24 july , 14 september , 28 september , and 2 october.
Output (English): when the united nations held four straw polls - on 24 july , 14 september , 28 september , and 2 october - he was the leader of the seven candidates each time .