•Bob performs the step
 spoken to him and continues saying “next
 step” until he is done with the repair.
 •Bob says, “activate
 workorder” in order to switch the active grammar
 to the workorder grammar.
 –speech.interpreter.CentralInterpreter. GlobalInterpreter.interpret()
 –speech.grammar.CentralGrammarHandler.
 – setActiveGrammarHandler(WorkorderGrammarHandler)