 
 <prompt> Wetin dem dey call light wey dey come from your back? Based on di question wey dey before dis one, write small tori wey get di answer. E fit be 1 - 20 sentences. Context: <response>: From military point of view, lighting dey very important for battlefield conditions. Shadows dey good for hiding, while bright areas dey expose person. E dey make sense to fight with Sun or other light source for your back, so that your enemy go dey see disturbing glare and you fit hide small small for backlight. If natural light no dey, searchlights and flares fit dey useful. But using light fit show your own hidden position and for modern warfare, dem dey use night vision with infrared cameras and image intensifiers. 