access-denied advice alert appropriate-behavior appropriate-behaviour behave behavior behaviour chain chained chained-off communicate communication denied direction entry-denied entry-prohibited keep-out no-access no-entry not-allowed not-permitted permission-denied prohibited prohibition restricted restriction restrictions sign unauthorised unauthorized warning advising automobiles black directive information informing red safety vehicles white care caution cautious concern danger dangerous directions green inform machinery machines prohibitions protect protection rules signs warning-sign animals prohibited appropriate behavior appropriate behaviour bicycles prohibited black and white communicating denial dog littering prohibited no animals no bicycles no littering not allowed not permitted permission denied flowers forget-me-not spring tulip yellow avoid ban banned no-golf risk risks risky signage access denied closed denying access denying entry entrance barred forbidden gates protected restricted area secure security security check-point serious stop blue flower garden grow macro small disapproval disapproved symbols words be-careful beware Cacti cactus cactus-garden careful conditions lookout