 
 <prompt> Wetin be di main tin wey dey diffrentiate breakthrough pain from background pain? Based on di previous question, write one context wey contain di answer. E fit be 1 - 20 sentences. Context: <response>: ```Breakthrough pain na sharp sharp pain wey dey come suddenly and e no dey stop even when the person dey use im normal pain medicine. E dey common for cancer patients wey dey get pain wey dey well-controlled by medicine, but sometimes dem fit get serious pain wey go "break through" the medicine. The way wey breakthrough cancer pain dey happen dey different for different people and according to wetin dey cause am. To manage breakthrough pain fit involve heavy use of opioids, like fentanyl.``` 