Input: Identify the most salient words:

trees grow in a brick abandoned building

Output: abandon
building
tree

Input: Identify the most salient words:

image is a poster for the event .

Output: event
image
poster

Input: Identify the most salient words:

flying over frozen lake in winter rising above tree tops getting an aerial view of the landscape

Output: fly
lake
rise
top

Input: Identify the most salient words:

students working together in the library with their tutor at the university

Output:
library
student
tutor
university
work