It Seems That Every Halloween Night in Gotham Is Marred

It seems that every Halloween night in Gotham is marred by violence and vandalism. In order to reduce the likelihood of such behavior, the leaders of Gotham should

A) increase self-awareness by making people wear a name tag.
B) increase anonymity by making sure that everyone who goes out wears a mask.
C) make sure that people only venture outside in groups.
D) create a highly stimulating environment by playing loud Halloween music.