appropriate-behavior appropriate-behaviour beach black black-and-white canine communicating communication denial denied dog dogs-prohibited fine informing no-dogs not-allowed not-permitted penalty permission-denied pets prohibited prohibition red rules seashore sign unwelcome warning white black and white children kids playground control controlled exception lead leash green clean clean-up cleanliness doggy-do droppings excrement excreta hygiene mess messy pickup poo prepared regulations responsible sanitation waste