Problem: What are the most important words?
Brown furry cat lying next to a round bottle on top of a colorful blanket.
Answer: blanket, cat, lie, top

Problem: What are the most important words?
leaving a small island with ship type in bay
Answer: bay, island, leave, type

Problem: What are the most important words?
A pair of scissors on a red surface with red sticky stuff on it.
Answer:
pair, scissor, stuff