Original sentence: The  park consists of 189 benches, one for each of the victims, arranged according to the year of birth, ranging from 1930 (age 71) to 1998 (age 3).The 189 victims of the attack are memorialized in the Pentagon Memorial adjacent to the Pentagon
Edited sentence: The  park consists of 184 benches, one for each of the victims, arranged according to the year of birth, ranging from 1930 (age 71) to 1998 (age 3).The 184 victims of the attack are memorialized in the Pentagon Memorial adjacent to the Pentagon