Problem: What are the most important words?
silhouettes of young people dancing happily on the beach
Answer: beach, dance, silhouette

Problem: What are the most important words?
Atop the stairs, someone grips the gate and glares at the armed steward.
Answer: gate, glare, grip, stair, steward

Problem: What are the most important words?
guests arriving to the ceremony
Answer:
arrive, ceremony, guest