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island, operate, software

What are the keywords in the following sentence? fans yell as they wait for the gates to open outside of the concert
concert, fan, gate, open, wait

What are the keywords in the following sentence? stylish ways to add a dose of bohemian vibe to your hairstyle this summer with a head scarf .
add, dose, way

What are the keywords in the following sentence? winding road on the island in the region
region, road, wind