Input: Identify the most salient words:

the container ship is unloaded in the port

Output: port
ship
unload

Input: Identify the most salient words:

aerial footage of boats swimming over the sea

Output: boat
footage
sea

Input: Identify the most salient words:

pilot in a seaplane flying over a city

Output: city
fly
pilot

Input: Identify the most salient words:

a deer eating some leaves off a branch .

Output:
deer
eat
leave