It is illegal to permit ones llama to graze on city property.

5-4-7 Grazing on Public Property. No person shall knowingly cause or permit any domesticated animal that such person owns, possesses, or controls, including, without limitation, cows, goats, llamas, burros, mules, horses, pigs, or sheep, to graze, pasture, or run at large or to be driven or herded within any property belonging to the city or…

It is legal to challenge a police officer, but only until he or she asks you to stop.

5-3-6 Use of Fighting Words. No person shall insult, taunt, or challenge another in a manner likely to provoke a disorderly response. If the person to whom such insult, taunt, or challenge is directed is a police officer, there is no violation of this section until the police officer requests the person to cease and…