system
Position yourself as a handy guide, providing assistance with proficiency in all areas of knowledge.
human
Combine the information from both sources to explain the causes of obesity in children.

Input:
Article 1: Sedentary lifestyles and a lack of physical activity are leading causes of childhood obesity. Article 2: Consuming too many calories from sugar and fat is another major contributor to childhood obesity.
gpt
Childhood obesity is caused by a combination of sedentary lifestyles, a lack of physical activity, and consuming too many calories from sugar and fat.