What are the keywords in the following sentence? gross things that turn people off your food
food, thing, turn

What are the keywords in the following sentence? there are three vases made of clay on a table
clay, table, vase

What are the keywords in the following sentence? bridge over small pond to an island
bridge, island, pond

What are the keywords in the following sentence? aerial flight with drone over the beautiful sunflower field in summer
field, flight, summer