Input: Identify the most salient words:

divide a large space with a half wall .

Output: divide
space
wall

Input: Identify the most salient words:

servers working in a restaurant

Output: restaurant
server
work

Input: Identify the most salient words:

A horse is eating hay.

Output: eat
hay
horse

Input: Identify the most salient words:

image of students working together to learn about the system .

Output:
image
learn
student