Input: Identify the most salient words:

soldiers take position near a city in sector km

Output: city
position
soldier

Input: Identify the most salient words:

fisherman on his boat in morning in the old harbor

Output: boat
fisherman
harbor

Input: Identify the most salient words:

old brick building against a clear blue sky with trees

Output: building
sky
tree

Input: Identify the most salient words:

red style bridge over a stream with willow trees on the bank in a large country garden

Output:
bank
stream
tree