What are the keywords in the following sentence? kinds of raw pasta in wooden spoons on the table
pasta, spoon, table

What are the keywords in the following sentence? combine harvesting a field in late evening
combine, evening, field

What are the keywords in the following sentence? helicopter of the historic flight at an airshow .
airshow, flight, helicopter

What are the keywords in the following sentence? a city was part but now lies in the modern country
city, lie, part