What are the keywords in the following sentence? sports team hosted recurring competition .
competition, recur, team

What are the keywords in the following sentence? This woman has just returned a volley in tennis
return, tennis, volley

What are the keywords in the following sentence? red combine harvesting in the field of wheat
field, harvesting, wheat

What are the keywords in the following sentence? detail of an unusual building in the style and containing motifs
building, detail, style