Input: Identify the most salient words:

locals buying groceries at the local market .

Output: buy
grocery
market

Input: Identify the most salient words:

a city raising bridge over the canal

Output: bridge
canal
raise

Input: Identify the most salient words:

politicians arrive to a news conference on the aircraft carrier off the coast .

Output: arrive
conference
politician

Input: Identify the most salient words:

sun disappears from horizon on forest floor

Output:
disappear
horizon
sun