Input: Identify the most salient words:

real time locked down medium shot of the building .

Output: building
lock
shot

Input: Identify the most salient words:

train approaching the station at morning

Output: morning
station
train

Input: Identify the most salient words:

down town of city from the top

Output: city
top
town

Input: Identify the most salient words:

A pizza topped with lots of veggies and cheese.

Output:
cheese
lot
pizza
top
veggie