Input: Identify the most salient words:

fortifications on the restored wall that lies between the towns

Output: fortification
restore
town
wall

Input: Identify the most salient words:

astronauts near a spaceship in outer space

Output: astronaut
space
spaceship

Input: Identify the most salient words:

athlete addresses the media on day

Output: address
athlete
medium

Input: Identify the most salient words:

president congratulates olympic athlete on winning the award for a second consecutive year

Output:
athlete
olympic
win