What are the keywords in the following sentence? clouds pass by rapidly in a blue sky
cloud, pass, sky

What are the keywords in the following sentence? i thought love was all we needed until i saw the nature of your heart .
heart, love, need

What are the keywords in the following sentence? italian region and rolling hills on a trip
hill, region, roll

What are the keywords in the following sentence? Umbrellas, towels, chairs and people at the beach.
beach, chair, towel