Input: Identify the most salient words:

Large clock tower on a brick building against white clouds and blue sky.

Output: building
cloud
tower

Input: Identify the most salient words:

roman catholic place of worship with flowers in the foreground

Output: flower
place
worship

Input: Identify the most salient words:

catholic priests on a procession during western christian holiday .

Output: holiday
priest
procession

Input: Identify the most salient words:

palm trees and sky with a passing airplane

Output:
airplane
pass
sky