What are the keywords in the following sentence? a flock of seagulls float above a mountain ridge
float, flock, seagull

What are the keywords in the following sentence? a black swan tends her eggs in the nest she has constructed along the banks .
egg, nest, tend

What are the keywords in the following sentence? pedestrians walk past georgian structure
pedestrian, structure, walk

What are the keywords in the following sentence? Couple of people out on the runway ready to board the small plane
couple, plane, runway