Input: Identify the most salient words:

vehicles using lights travel on a bridge amid heavy smog after the city issued its first ever

Output: bridge
city
smog

Input: Identify the most salient words:

rabbits feed on the grass

Output: feed
grass
rabbit

Input: Identify the most salient words:

the cruise ship lying at anchor next upstream

Output: anchor
lie
ship

Input: Identify the most salient words:

deck off screened porch that wraps around to the living room

Output:
porch
room
screen