What are the keywords in the following sentence? The zebras are munching on the vegetation in the field.
field, vegetation, zebra

What are the keywords in the following sentence? Two men are playing trumpets together on stage, while being accompanied by a woman on a piano.
accompany, piano, trumpet

What are the keywords in the following sentence? cut old jeans and sew a lace trim on .
cut, jean, sew

What are the keywords in the following sentence? fly in formation over us census designated place
census, designate, formation, place