What are the keywords in the following sentence? organization leader waits for the pitch in an empty stadium
leader, pitch, wait

What are the keywords in the following sentence? pig in a pen on a pig farm
farm, pen, pig

What are the keywords in the following sentence? clouds and sky from the window of an aircraft
aircraft, cloud, sky

What are the keywords in the following sentence? politician delivers a speech on the third day of the annual meeting .
deliver, meeting, politician, speech