Input: Identify the most salient words:

firefighters knock down flames as they advance on homes .

Output: firefighter
flame
home

Input: Identify the most salient words:

biological species perched on the ground

Output: ground
perch
specie

Input: Identify the most salient words:

georgian structure in the blue lights they had for a few years

Output: light
structure
year

Input: Identify the most salient words:

politician and his wife with a dog

Output:
dog
politician
wife