Problem: What are the most important words?
general view of a camp site as rain falls during day of festival .
Answer: day, festival, site, view

Problem: What are the most important words?
close up shot of texture of a vegetarian pizza with sweet corn and mushrooms .
Answer: close, shot, texture

Problem: What are the most important words?
Whole pizza with lots of toppings being served on a wood table.
Answer:
pizza, serve, table, topping