Input: Identify the most salient words:

asphalt road in a beautiful summer day

Output: asphalt
day
road

Input: Identify the most salient words:

a christmas tree adorns the building

Output: adorn
building
tree

Input: Identify the most salient words:

a railroad station with an engine and caboose on two separate tracks

Output: engine
station
track

Input: Identify the most salient words:

the city means different things to different people and has several facets begging to be explored .

Output:
city
explore
thing