What are the keywords in the following sentence? leprechaun with clover for good luck .
clover, leprechaun, luck

What are the keywords in the following sentence? we serve breakfast on terraces or in the restaurant .
breakfast, serve, terrace

What are the keywords in the following sentence? american football player and celebrity arrive at the premiere .
arrive, celebrity, player, premiere

What are the keywords in the following sentence? close up of surgeon operating a patient
operate, patient, surgeon