What are the keywords in the following sentence? this painting dates to the fifteenth or sixteenth century .
century, date, painting

What are the keywords in the following sentence? The counters in this kitchen are covered with stuff.
counter, cover, kitchen, stuff

What are the keywords in the following sentence? this pretty printed sweater dress is everything we need this fall .
dress, fall, need

What are the keywords in the following sentence? politician hosts a fall harvest of the vegetable garden with help of students from schools
garden, school, student