Input: Identify the most salient words:

a fisherman throws his net into the sea on a beach next to the port

Output: beach
fisherman
net
sea

Input: Identify the most salient words:

a library off the lobby provides a space to work

Output: lobby
space
work

Input: Identify the most salient words:

mountain seen above thick fog on a winter morning .

Output: fog
morning
mountain

Input: Identify the most salient words:

religious leader celebrates mass before a crowd of worshipers

Output:
celebrate
crowd
leader
mass