What are the keywords in the following sentence? sun breaking through the snow storm
break, storm, sun

What are the keywords in the following sentence? the water freezes on the glass
freeze, glass, water

What are the keywords in the following sentence? portrait of an engineer at work
engineer, portrait, work

What are the keywords in the following sentence? After some time, he begins by tapping his foot and talking to the camera.
begin, foot, talk