What are the keywords in the following sentence? funny little mouse eating cheese of the mousetrap
cheese, eat, mouse, mousetrap

What are the keywords in the following sentence? the valley heading up to a city and the ancient ruins of a city
city, head, valley

What are the keywords in the following sentence? the statue of liberty surrounded by scaffolding as workers complete the final stages .
complete, scaffold, statue, surround, worker

What are the keywords in the following sentence? politician visited country to witness a city
city, politician, visit