Input: Identify the most salient words:

country told to brace for a winter with lots of snow

Output: brace
country
lot
snow
winter

Input: Identify the most salient words:

portrait of teenage students and their teacher in the classroom .

Output: classroom
portrait
teacher

Input: Identify the most salient words:

paying in cash can reduce the total cost of buying a car .

Output: car
cash
pay

Input: Identify the most salient words:

The engine of a train pulling many cars

Output:
car
engine
pull
train