What are the keywords in the following sentence? football team will build a new stadium on the site
build, site, stadium, team

What are the keywords in the following sentence? movement of cars on highway in sunny day .
day, highway, movement

What are the keywords in the following sentence? A woman is working on her hair, separating it into sections.
hair, section, separate

What are the keywords in the following sentence? brown bears were rescued from a travelling circus .
bear, circus, travel