What are the keywords in the following sentence? the city is best known for its many surviving ancient buildings
building, city, survive

What are the keywords in the following sentence? passengers on inflatable boat leaving the harbour and marina
boat, harbour, marina

What are the keywords in the following sentence? foam flows from a glass full of champagne and strawberries
champagne, glass, strawberry

What are the keywords in the following sentence? think about a maple tree growing near a garden
grow, think, tree