Input: Identify the most salient words:

floating crane standing on the waterfront of the port

Output: crane
port
stand

Input: Identify the most salient words:

Two bears that are looking for fish to eat.

Output: bear
eat
look

Input: Identify the most salient words:

politician addresses lawmakers before the start of their annual legislative session .

Output: address
lawmaker
politician

Input: Identify the most salient words:

A large fountain structure has a clock at the top.

Output:
clock
structure
top