Input: Identify the most salient words:

walk to tourist attraction via biological species

Output: attraction
tourist
walk

Input: Identify the most salient words:

a large train station with several trains docked

Output: dock
station
train

Input: Identify the most salient words:

lights up national register of historic places location

Output: light
location
register

Input: Identify the most salient words:

monarch attends a film premiere wearing a white beaded evening gown by film costumer designer

Output:
evening
gown
premiere
wear