[<state> start]-> [<input> Welcome to Sarafu; Select language] [Welcome to Sarafu; Select language]-> [<choice> 1. English] [1. English]-> yes [change language to english] [change language to english]-> [<reference> initial pin entry] [1. English]-> no [<choice> 2. Kiswahili] [2. Kiswahili]-> yes [change language to kiswahili] [change language to kiswahili]-> [initial pin entry] [2. Kiswahili]-> no [<choice> 3. Help] [3. Help]-> yes [<reference> help] [3. Help]-> no [<reference> exit invalid menu option]