Task: Text Simplification
Input (English): killzone 2 is a first-person shooter -lrb- fps -rrb- for the playstation 3 , developed by guerrilla games and published by sony computer entertainment.
Output (English): 1 . killzone 2 , developed by guerrilla games and published by sony computer entertainment , is a first-person shooter -lrb- fps -rrb- for the playstation 3.