What are the keywords in the following sentence? country launch fireworks during celebrations in the city .
celebration, city, firework

What are the keywords in the following sentence? panning across a forest floor in summer with dried leaves on the ground
floor, leave, summer

What are the keywords in the following sentence? female hiker celebrating achievement on reaching summit of the mountains
celebrate, hiker, summit

What are the keywords in the following sentence? A subway station with people walking to and from trains.
station, train, walk