Problem: What are the most important words?
dramatic sky silhouettes wooden cross with shafts of sunlight breaking through the clouds
Answer: shaft, sky, sunlight

Problem: What are the most important words?
This bathroom has a painting on the wall behind a toilet
Answer: painting, toilet, wall

Problem: What are the most important words?
health and cure pills with the letters inside isolated on grey
Answer:
grey, isolate, pill