What are the keywords in the following sentence? beautiful wide shot of clouds moving through the forest and mountains
cloud, forest, shot

What are the keywords in the following sentence? There are three train engines parked on the tracks.
engine, park, track

What are the keywords in the following sentence? the upper lanes were closed after a crash .
close, crash, lane

What are the keywords in the following sentence? A large pizza with meat and vegetables on a table.
meat, pizza, table, vegetable