What are the keywords in the following sentence? while not as abundant at the plethora these flowers could be found scattered throughout the fields of blue .
field, flower, scatter

What are the keywords in the following sentence? sleep your worries away in the cozy bedrooms of this home .
bedroom, home, sleep

What are the keywords in the following sentence? multirole fighter performs a test flight .
fighter, flight, perform

What are the keywords in the following sentence? steel braces forming abstract shapes on a walking bridge in a park
form, park, shape