What are the keywords in the following sentence? protest in front of the embassy
embassy, front, protest

What are the keywords in the following sentence? Plate featuring panini and salad made of greens
panini, plate, salad

What are the keywords in the following sentence? A train on tracks outside of a city
city, track, train

What are the keywords in the following sentence? Two zebras looking down at the grass during grazing.
grazing, look, zebra