What are the keywords in the following sentence? silver chain and pendant in the shape of heart
chain, heart, shape

What are the keywords in the following sentence? plant in a desert moving in the wind
desert, move, plant, wind

What are the keywords in the following sentence? beekeeper collecting a wild swarm of bees from a tree
beekeeper, collect, swarm

What are the keywords in the following sentence? clouds float in the sky above person at sunset .
cloud, float, sky, sunset