What are the keywords in the following sentence? An airline jet being loaded with luggage at the airport.
airport, jet, load, luggage

What are the keywords in the following sentence? A section of traffic coming to a stop at an intersection.
intersection, stop, traffic

What are the keywords in the following sentence? close up steady shot of waterfalls cascading down into a pool
cascade, pool, waterfall

What are the keywords in the following sentence? the thing i love more than all other things is when dogs act like humans .
dog, love, thing