What are the keywords in the following sentence? Young male skateboarder skating on an empty sidewalk.
sidewalk, skate, skateboarder

What are the keywords in the following sentence? rocks near the shore on the island
island, rock, shore

What are the keywords in the following sentence? long road leading into a storm in a rural environment
lead, road, storm

What are the keywords in the following sentence? sailors aboard the amphibious assault ship prepare for a replenishment at sea with the fleet
replenishment, sailor, sea, ship