Input: Identify the most salient words:

Two pizzas with several toppings, sauce, cheese and meat.

Output: pizza
sauce
topping

Input: Identify the most salient words:

only flooded ruins remain at the site of what was once a great city .

Output: city
remain
ruin

Input: Identify the most salient words:

some boats parked in a waterway and some people

Output: boat
park
waterway

Input: Identify the most salient words:

the lovely village surrounded by hills

Output:
hill
surround
village