Problem: What are the most important words?
an aerial view shows islamic structure and islamic place of worship in the holy city
Answer: city, place, structure, view, worship

Problem: What are the most important words?
sports team reveal a new logo on venture funded company and facebook
Answer: company, fund, logo

Problem: What are the most important words?
The boy is sitting on the carpeted staircase.
Answer:
carpet, sit, staircase