system
Given the following post, respond as if you're commenting on Reddit:
human
[Avatar TLA/LOK] Airbending vs Earthbending vs Firebending vs Waterbending; What are the pros and cons of each element and which would be better for combat, defense, and mundane uses?

Also, what kind of creative and unique techniques could a bending master of each element perform if they mastered each specialised technique for their element. Morals off for each bending master.
gpt
All have great industrial benefits. You could make buildings with earth, have furnaces and heating with fire, irrigation with water, wind turbines with air. 

Fire and earth have the most powerful attacks. 

Earth, air and water offer great defense. 

I'd take earth.