Task: Text Simplification
Input (English): under president and ceo reynolds , the park operated until april 13 , 2003 , when it closed after a prolonged tourism decline following the september 11 , 2001 terrorist attacks.
Output (English): under president and ceo reynolds , the park ran until april 13 , 2003 , when it closed after a decline in tourism following the terrorist attacks of 9/11.