Problem: What are the most important words?
the main entrance to the prayer hall of moorish structure decorated with many antique columns
Answer: column, decorate, hall, structure

Problem: What are the most important words?
aerial view flying over winding river flowing through the landscape
Answer: flow, fly, river, view

Problem: What are the most important words?
a deer is eating grasses in the forest
Answer:
deer, forest, grass