Input: Identify the most salient words:

look i found a flower .

Output: find
flower
look

Input: Identify the most salient words:

kindergarten and elementary school students around country participate in various activities to promote a greener world .

Output: country
participate
student

Input: Identify the most salient words:

A white couch topped with pillows next to a lamp.

Output: couch
lamp
pillow

Input: Identify the most salient words:

a farmer in a wagon being pulled by a horse

Output:
farmer
horse
pull
wagon