What are the choices options?
Keywords if i'm not mistaken. Length has nothing to do with the type, headings could but not as much as key words, nor does the title.
[1] Studies have shown that kids who eat healthy food have more energy. [2] When students are more energized, they get better grades. [3] Still, half theLincoln High students eat pizza at its lunchtime. [4] The school plans to start offering healthier options like salads and fruit as an alternative.
The correct answer is "Studies have shown that kids who eat healthy food have more energy" The answer is number 1
I would say either problem/solution or cause/effect
If you profit from your mistakes then you will prosper