What are the keywords in the following sentence? space mission took this first color image of bodies with heliocentric orbit and astronomical discovery .
body, image, orbit

What are the keywords in the following sentence? construction workers finishing off construction
construction, finish, worker

What are the keywords in the following sentence? Looking up into a stormy sky at a jet coming in to land
come, land, sky

What are the keywords in the following sentence? hands of woman forming a heart shape in park
form, park, shape