Input: Identify the most salient words:

a giraffes bending down eating grass near a building

Output: bend
eat
giraffes
grass

Input: Identify the most salient words:

The cat is licking the icing off of the cake.

Output: cake
icing
lick

Input: Identify the most salient words:

the statue of liberty in harbour

Output: harbour
liberty
statue

Input: Identify the most salient words:

the stream flows through the wall of the quarry

Output:
flow
stream
wall