What are the keywords in the following sentence? hats hung on the wall
hang, hat, wall

What are the keywords in the following sentence? demolition has again been postponed in hopes that another school could move into the building .
building, demolition, school

What are the keywords in the following sentence? naval ship passing in the foggy sea
pass, sea, ship

What are the keywords in the following sentence? add energizing color to the kids bedroom with cool stripes
add, color, stripe