Problem: What are the most important words?
concrete gravity dams are constructed such that their own weight resist the forces exerted upon it
Answer: construct, dam, exert, force, weight

Problem: What are the most important words?
a herd of sheep on pasture eating grass on a sunny fall day under blue skies
Answer: grass, sheep, sky

Problem: What are the most important words?
tv character ... i just realized my eyes are like the exact same shade of blue as his .
Answer:
blue, eye, shade