Input: Identify the most salient words:

demonstrators gather at the site of a planned speech by film writer

Output: demonstrator
gather
site
speech

Input: Identify the most salient words:

full hd time lapse of clouds moving across the sky during evening

Output: cloud
evening
move

Input: Identify the most salient words:

light in the end of a spiral staircase

Output: end
light
staircase

Input: Identify the most salient words:

image of a skier in a ski resort .

Output:
image
resort
skier