Input: Identify the most salient words:

military commander is greeted by a crowd of admirers as he arrives

Output: admirer
arrive
commander
crowd
greet

Input: Identify the most salient words:

from the building past late gothic revival structure up neighborhood

Output: building
neighborhood
structure

Input: Identify the most salient words:

Canadian planes sitting at the airport on a clear day.

Output: airport
day
sit

Input: Identify the most salient words:

trees growing from the gorge

Output:
gorge
grow
tree