system
The task at hand is simple: provide assistance with expertise in any field
human
Simplify this sentence for young readers: "The prevalence of obesity amongst adolescents has increased considerably in recent years due to a lack of physical activity and unhealthy diets."

More and more teenagers are becoming overweight because they don't move enough and eat unhealthy food.
gpt
Many teenagers are gaining weight because they don't exercise enough and eat unhealthy food.