Input: Identify the most salient words:

Trains pull into a train station during the day.

Output: day
station
train

Input: Identify the most salient words:

skyline at night including tower

Output: include
night
skyline
tower

Input: Identify the most salient words:

shaded earth turning on itself with moving clouds and blue connections in the space with image

Output: earth
image
move
shade
space

Input: Identify the most salient words:

tips and tricks when shopping for a dining table

Output:
table
tip
trick