Which of the following is the strongest argument for the unconstitutionality of both parts of the ordinance on their face?
Laws regulating, by their terms, expressive conduct or speech may not be overbroad or unduly vague. 
The determination as to whether public gatherings may be lawfully held cannot be vested in the police.
The right of association in public places without interference is assured by the First and Fourteenth Amendments
No type of prior restraint may be imposed on speech in public places.