 
 <prompt> Wetin cause di system to freeze? Based on di previous question, write a context wey contain di answer. E fit be 1 - 20 sentences. Context: <response>: "The original Famicom get two game controllers wey dey hardwired to the back of the console. The second controller no get START and SELECT buttons, but get small microphone. Few games make use of this feature. The earliest Famicom units get square A and B buttons. Dem later change am to circular designs because the square buttons dey catch for the controller casing when pressed down and glitches dey happen for the hardware wey dey make the system freeze sometimes while playing game." 