What are the keywords in the following sentence? blooming lotus flower in a pond .
bloom, flower, pond

What are the keywords in the following sentence? A flock of pigeons are chasing a man through a park.
chase, park, pigeon

What are the keywords in the following sentence? jewel in the shape of heart .
heart, jewel, shape

What are the keywords in the following sentence? star system the solar system consists together with the planets and all other celestial bodies that orbit the sun
body, orbit, planet, sun