Input: Identify the most salient words:

fireworks illuminated the sky over the bridge next during celebrations .

Output: bridge
celebration
firework

Input: Identify the most salient words:

an image of the earth is projected onto building .

Output: building
image
project

Input: Identify the most salient words:

flow diagram of the system working in winter

Output: diagram
system
work

Input: Identify the most salient words:

fans showed their support for footballer on his return since leaving the club this summer

Output:
club
fan
footballer