What are the keywords in the following sentence? kindergarten and elementary school students around country participate in various activities to promote a greener world .
country, promote, world

What are the keywords in the following sentence? aerial shot of fishing boat leaves the bay in the morning
boat, leave, shot

What are the keywords in the following sentence? heart shaped romantic red fireworks in the black sky
firework, heart, shape

What are the keywords in the following sentence? love this deck built around a clump of trees .
build, deck, love, tree