 
 <prompt> Wetin happun second, di first traffic light explode or di first modern electric traffic lights dey put up? Given di previous question, write a context wey contain di answer. E fit be 1 - 20 sentences. Context: <response>: ```Green fit communicate say e dey safe make person waka, as for traffic lights. Green and red don become standard colors for international railroad signals for di 19th century. Di first traffic light, wey dey use green and red gas lamps, na for 1868 dem put am for front of di Houses of Parliament for London. E explode di next year, injure di policeman wey dey operate am. For 1912, di first modern electric traffic lights dem put am for Salt Lake City, Utah. Red dey choose mostly because e dey very visible, and e dey relate to danger, while green dey choose mostly because e no fit be mistaken for red. Today green lights dey signal say system dey on and e dey work as e suppose dey work. For many video games, green dey show say person get health and e don complete objectives, opposite red.``` 