Input: Identify the most salient words:

a protest which began peacefully has grown more chaotic with demonstrators breaking windows .

Output: break
protest
window

Input: Identify the most salient words:

baggage being loaded onto an aircraft at the airport prior to take off

Output: aircraft
baggage
load

Input: Identify the most salient words:

A plate of broccoli, peas, potatoes and meat

Output: meat
pea
plate

Input: Identify the most salient words:

protected site outside a city .

Output:
city
protect
site