What are the keywords in the following sentence? An ostrich and giraffes among the trees and grass.
grass, ostrich, tree

What are the keywords in the following sentence? ethnicity signed guitar was a hot item at the auction .
auction, guitar, item, sign

What are the keywords in the following sentence? light in a window on a cottage .
cottage, light, window

What are the keywords in the following sentence? pharmacist assisting the bottle of drug to customer in pharmacy
bottle, drug, pharmacist, pharmacy