Input: Identify the most salient words:

vivid green lights from an aurora fill the sky over a city

Output: city
light
sky

Input: Identify the most salient words:

protesters gather during a demonstration

Output: demonstration
gather
protester

Input: Identify the most salient words:

an awake heart is like a sky that pours light .

Output: heart
light
sky

Input: Identify the most salient words:

A brown kitchen filled with appliances and a refrigerator covered in magnets and papers.

Output:
cover
magnet
paper
refrigerator