What are the keywords in the following sentence? plane coming into land in airport .
airport, land, plane

What are the keywords in the following sentence? dessert and snacks for a first birthday party .
dessert, party, snack

What are the keywords in the following sentence? professional road racing cyclist takes the win .
cyclist, take, win

What are the keywords in the following sentence? facade of an ancient building against blue sky
building, facade, sky