Input: Identify the most salient words:

to the west of the original structure is the addition to the school built .

Output: build
school
structure

Input: Identify the most salient words:

a nomadic shepherd from the western state guides his flock of sheep through an access road .

Output: guide
sheep
shepherd

Input: Identify the most salient words:

statue carved on the wall of a temple

Output: carve
temple
wall

Input: Identify the most salient words:

airplane approaching the airport for landing

Output:
airplane
airport
landing