Input: Identify the most salient words:

detail of old invalid banknote with the portrait of politician

Output: banknote
detail
portrait

Input: Identify the most salient words:

science fiction book by novelist published by publisher .

Output: book
novelist
publish
publisher

Input: Identify the most salient words:

a long shot of a hill with dark clouds

Output: cloud
hill
shot

Input: Identify the most salient words:

view of sky with clouds through the forest

Output:
cloud
forest
sky
view